There are limits to density. But a compelling image of the human capacity to live and adapt (to) their environment. Amazing pictures by Greg Girard.

http://www.dailymail.co.uk/news/article-2139914/A-rare-insight-Kowloon-Walled-City.html

It is also strikingly similar to Shibam: the Manhattan of the desert, an incredible vernacular city in Yemen. Very old city of 8-10 stories, all in mud brick. It also did not meet Hong Kong building codes! But it is very beautiful and socially and climatically highly adapted to its place.