One of the more bizarre things I've seen on the internet. Guangdong TV host Ou Zhihang doing naked push-ups near Chinese national landmarks like the CCTV building, the Great Wall, the Bird's Nest, etc. He was inspired by the Sichuan Earthquake - or rather, he wanted to do his part. His naked pushups are an hommage to a piece of art, although I don't read well enough to know which one.
Here's the link to his original blog