The farting bull you see above is a sculpture by Chen Wenling called "What You see Might Not Be Real," a commentary on the global financial crisis (the man being shove into the wall is non other than Bernie Madoff). 

"Chen Wenling’s sculptures represent the spirit of collective imagery that defines China after her entrance into consumerist society. His work uses a mythological form that encompasses the spiritual insemination that overtook a generation with materialism in the 1990s, as well as the self-awareness and post awareness era everyday spirit of Chinese after the 1990s." —Zhu Qi