Crazy Humans Explain Why They Swim Outdoors in Below-Freezing Temps

There are some folks for whom stripping down to a Speedo in the dead of winter to hop into in a snow-lined outdoor pool sounds like a special kind of frozen-over hell. And then there is this dedicated gang of water-lovin' types who will get their laps in at the London Fields Lido no matter the weather. It's a true testament to thick skin, dedication--and a damn fine public pool.