To be honest, I have no clue what it’s all about, maybe it is some kind of Chinese festival or tradition, but everybody who’s going there risks ending up with a dirty face. Even the police was participating in this. Judging by the pictures all participants had fun.
Comments (3):
...according to this page.
http://news.xinhuanet.com/english/2009-08/16/content_11890877.htm