Zhuhai

China

Research

05 February 2018

2017: Skyscraper History’s Tallest, Highest- Volume, and Most Geographically Diverse Year

This 2017 Tall Building Year in Review / Tall Buildings in Numbers data analysis report shows that more buildings of 200 meters’ height or greater...

17 October 2016

The Largest Megalopolis in the World: Assessing the Urbanization of the Pearl River Delta

Peter Kindel, Ellen Lou & Lingyue Anne Chen, Skidmore, Owings & Merrill LLP

With the world’s urban population expected to increase by roughly 2.5 billion people by 2050, developing an understanding of megalopolises is critical to understanding and...

17 October 2016

Megacities: Setting the Scene

Daniel Safarik, Shawn Ursini & Antony Wood; Council on Tall Buildings and Urban Habitat

The rise of the megacity presents unprecedented opportunities to understand the human urbanization phenomenon, and to observe the effects of multicore, polycentric cities growing together...

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MessagesTimelineExceptionsViews20RouteQueries27Models114MailsGateSessionRequest
7.3.33PHP Version585msRequest Duration10MBMemory UsageGET city/{slug}/researchRoute
    • Booting (14.71ms)
    • Application (570ms)
    • 1 x Application (97.46%)
      570.25ms
      1 x Booting (2.51%)
      14.71ms
      20 templates were rendered
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      • buildings.partials.elements.research-list (resources/views/buildings/partials/elements/research-list.blade.php)16blade
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      • buildings.partials.elements.research-grid (resources/views/buildings/partials/elements/research-grid.blade.php)16blade
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      uri
      GET city/{slug}/research
      middleware
      web
      controller
      App\Http\Controllers\CityController@research
      namespace
      App\Http\Controllers
      prefix
      where
      as
      city-research
      file
      app/Http/Controllers/CityController.php:696-721
      27 statements were executed, 3 of which were duplicated, 24 unique502ms
      buldingdb
      • select * from `v2_cities` where `slug` = 'zhuhai' limit 111.91ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Bindings
        • 0. zhuhai
        Hints
        • Use SELECT * only if you need all columns from table
        • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
        Backtrace
        • 16. /app/Http/Controllers/CityController.php:706
        • 17. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 18. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 19. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 20. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select * from `v2_countries` where `v2_countries`.`id` in (34)1.3ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 21. /app/Http/Controllers/CityController.php:706
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select * from `v2_regions` where `v2_regions`.`id` in (7)1.21ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 21. /app/Http/Controllers/CityController.php:706
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select * from `ctbuh_building` where `active` = '1' and `structure_type` = 'building' and (`linked_building_status` is null or `linked_building_status` not in ('COM', 'UC', 'STO', 'UCT')) and `ctbuh_building`.`city_id` in (829) and `ctbuh_building`.`deleted_at` is null order by `height_architecture` desc, `floors_above` desc, `name_intl` asc434ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Bindings
        • 0. 1
        • 1. building
        • 2. COM
        • 3. UC
        • 4. STO
        • 5. UCT
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 21. /app/Http/Controllers/CityController.php:706
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select * from `v2_cities` where `v2_cities`.`id` in (829)2.07ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 26. /app/Http/Controllers/CityController.php:706
        • 27. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 28. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 30. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `v2_initiatives`.*, `v2_city_initiative`.`city_id` as `pivot_city_id`, `v2_city_initiative`.`initiative_id` as `pivot_initiative_id` from `v2_initiatives` inner join `v2_city_initiative` on `v2_initiatives`.`id` = `v2_city_initiative`.`initiative_id` where `v2_city_initiative`.`city_id` in (829) order by `start_date` desc4.71ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Backtrace
        • 20. /app/Http/Controllers/CityController.php:706
        • 21. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `v2_resources`.*, `v2_city_resource`.`city_id` as `pivot_city_id`, `v2_city_resource`.`resource_id` as `pivot_resource_id` from `v2_resources` inner join `v2_city_resource` on `v2_resources`.`id` = `v2_city_resource`.`resource_id` where `v2_city_resource`.`city_id` in (829) order by `type` asc, `date` desc4.47ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Backtrace
        • 20. /app/Http/Controllers/CityController.php:706
        • 21. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select * from `v2_people` where `v2_people`.`city_id` in (829)1.7ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 21. /app/Http/Controllers/CityController.php:706
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 24. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 25. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `v2_roles`.*, `v2_person_role`.`person_id` as `pivot_person_id`, `v2_person_role`.`role_id` as `pivot_role_id`, `v2_person_role`.`year_start` as `pivot_year_start`, `v2_person_role`.`year_end` as `pivot_year_end`, `v2_person_role`.`title` as `pivot_title`, `v2_person_role`.`link` as `pivot_link`, `v2_person_role`.`display_order` as `pivot_display_order`, `v2_person_role`.`hide_in_lists` as `pivot_hide_in_lists` from `v2_roles` inner join `v2_person_role` on `v2_roles`.`id` = `v2_person_role`.`role_id` where `v2_person_role`.`person_id` in (9154, 38550) order by `display_order` asc, `name` asc, `pivot_title` asc, `pivot_year_start` asc1.46ms/app/Http/Controllers/CityController.php:706buldingdb
        Metadata
        Backtrace
        • 25. /app/Http/Controllers/CityController.php:706
        • 26. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 27. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 28. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
        • 29. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:176
      • select `v2_members`.*, `v2_city_member`.`city_id` as `pivot_city_id`, `v2_city_member`.`member_id` as `pivot_member_id`, `v2_city_member`.`headquarters` as `pivot_headquarters`, `v2_city_member`.`contact` as `pivot_contact` from `v2_members` inner join `v2_city_member` on `v2_members`.`id` = `v2_city_member`.`member_id` where `v2_city_member`.`city_id` = 829 and `level` > 0 and `v2_members`.`deleted_at` is null order by `level` asc, `name` asc1.75ms/app/Http/Controllers/CityController.php:756buldingdb
        Metadata
        Bindings
        • 0. 829
        • 1. 0
        Backtrace
        • 19. /app/Http/Controllers/CityController.php:756
        • 20. /app/Http/Controllers/CityController.php:708
        • 21. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
      • select * from `v2_resource_categories` where `type` = 'Video'1.4ms/app/Http/Controllers/CityController.php:794buldingdb
        Metadata
        Bindings
        • 0. Video
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 12. /app/Http/Controllers/CityController.php:794
        • 13. /app/Http/Controllers/CityController.php:708
        • 14. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 15. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
      • select * from `v2_resource_subcategories` where `type` = 'Video' and `id` = 41 limit 11.54ms/app/Http/Controllers/CityController.php:803buldingdb
        Metadata
        Bindings
        • 0. Video
        • 1. 41
        Hints
        • Use SELECT * only if you need all columns from table
        • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
        Backtrace
        • 13. /app/Http/Controllers/CityController.php:803
        • 14. /app/Http/Controllers/CityController.php:708
        • 15. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 17. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
      • select * from `v2_resource_categories` where `type` = 'Video'1.16ms/app/Http/Controllers/CityController.php:794buldingdb
        Metadata
        Bindings
        • 0. Video
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 12. /app/Http/Controllers/CityController.php:794
        • 13. /app/Http/Controllers/CityController.php:708
        • 14. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 15. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
      • select * from `v2_resource_subcategories` where `type` = 'Video' and `id` = 43 limit 11.29ms/app/Http/Controllers/CityController.php:803buldingdb
        Metadata
        Bindings
        • 0. Video
        • 1. 43
        Hints
        • Use SELECT * only if you need all columns from table
        • LIMIT without ORDER BY causes non-deterministic results, depending on the query execution plan
        Backtrace
        • 13. /app/Http/Controllers/CityController.php:803
        • 14. /app/Http/Controllers/CityController.php:708
        • 15. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 17. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
      • select * from `v2_resource_categories` where `type` = 'Video'1.16ms/app/Http/Controllers/CityController.php:794buldingdb
        Metadata
        Bindings
        • 0. Video
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 12. /app/Http/Controllers/CityController.php:794
        • 13. /app/Http/Controllers/CityController.php:708
        • 14. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 15. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 16. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
      • select `v2_people`.*, `v2_city_person`.`city_id` as `pivot_city_id`, `v2_city_person`.`person_id` as `pivot_person_id`, `v2_city_person`.`year_start` as `pivot_year_start`, `v2_city_person`.`year_end` as `pivot_year_end`, `v2_city_person`.`title` as `pivot_title`, `v2_city_person`.`display_order` as `pivot_display_order` from `v2_people` inner join `v2_city_person` on `v2_people`.`id` = `v2_city_person`.`person_id` where `v2_city_person`.`city_id` = 829 order by `pivot_year_end` asc, `display_order` asc, `title` asc, `last_name` asc2.97ms/app/Http/Controllers/CityController.php:896buldingdb
        Metadata
        Bindings
        • 0. 829
        Backtrace
        • 19. /app/Http/Controllers/CityController.php:896
        • 20. /app/Http/Controllers/CityController.php:708
        • 21. /vendor/laravel/framework/src/Illuminate/Routing/Controller.php:54
        • 22. /vendor/laravel/framework/src/Illuminate/Routing/ControllerDispatcher.php:45
        • 23. /vendor/laravel/framework/src/Illuminate/Routing/Route.php:219
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        Hints
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        • 22. /app/Http/Controllers/CityController.php:950
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        Metadata
        Hints
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        Backtrace
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        • 18. /vendor/laravel/framework/src/Illuminate/View/Concerns/ManagesEvents.php:177
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        Metadata
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        Hints
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        Backtrace
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        Metadata
        Bindings
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        Hints
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        Backtrace
        • 20. /app/NavMenuItem.php:97
        • 21. /app/NavMenuItem.php:78
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        • 25. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
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        Metadata
        Bindings
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        Hints
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        Backtrace
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        • 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
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        Metadata
        Bindings
        • 0. 2
        Hints
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        Backtrace
        • 19. /app/NavMenuItem.php:110
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        • 21. view::common.header:85
        • 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
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        Metadata
        Bindings
        • 0. 4
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 19. /app/NavMenuItem.php:110
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        • 21. view::common.header:85
        • 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
        • 24. /vendor/facade/ignition/src/Views/Engines/CompilerEngine.php:36
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        Metadata
        Bindings
        • 0. 3
        Hints
        • Use SELECT * only if you need all columns from table
        Backtrace
        • 19. /app/NavMenuItem.php:110
        • 20. /app/NavMenuItem.php:115
        • 21. view::common.header:85
        • 23. /vendor/laravel/framework/src/Illuminate/View/Engines/CompilerEngine.php:59
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        Metadata
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        Hints
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        Backtrace
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        Metadata
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