one is that Chinese "city" boundaries also generally include a lot of rural land, mountains, etc. Chongqing is the size of Austria. The other is that while the

one is that Chinese "city" boundaries also generally include a lot of rural land, mountains, etc. Chongqing is the size of Austria. The other is that while the buildings are certainly tall, China also does a lot of "tower-in-the-park" style development where the plazas and landscaping in between tall buildings decrease overall density.