Got this video con 56.com.
http://www.56.com/u39/v_NjIxMTg3ODg.html
It seems some sort of Enduro riding in China (something newer to China than Motocross... )
I do not understand if it's sort of competition (given the numbers on the bikes) or not.
Anybody have heard of similar events in China and where this one have been held?