An anonymous author’s novel written on the walls of an abandoned house in Chongqing, China" - I found it here and though it's a wonderful image, it made me feel so sad. And frightened. It plugs into all sorts of facets of the human condition.
Here's another image of Chongqing - the city is on a bend of the Yangtze river, which floods in the summer. The floods in 2010 were the worst in a decade.