Riding the subway in China can be stressful as a mug. That's why Adidas installed punching bags in a few Shanghai subway stations. They're all part of Adidas new ad campaign which boasts the title of "The first advertisement in history you can kick, punch, and trample at will." If you've never experienced a Chinese subway, you might not understand the magnitude of this. But it's awesome. 

[Via PSFK]