Subway surfing is the most x-treme NYC sport, the ultimate x-pression of rebellion in a world run amok. Sure, there's a decent chance you will cause massive delays for fellow straphangers, seriously injure yourself, suffer a head injury, or die—but at least you'd get some truly righteous x-equies. Below, you can see a video of two such x-ceptional people who decided to subway surf on a J train over the Williamsburg Bridge with no regard for any of that, likely because Chris Martin once sang "life is for living," and that's so true when you really think about it, man.