Many people like to take a bath after exercising and at the same time like to soak in the bathtub to relax. A foreign company combines the two at the same time. They designed a bathtub with a built-in bicycle. Because the resistance of water is four times that of air, after filling it with water and exercising in it, you can get twice the result with half the effort. At the same time, the warm rolling water can also have the effect of massaging the whole body, killing two birds with one stone. When you're done exercising, its like you've taken a shower. The company is preparing to open a body spa in Manhattan to allow people to embody this innovative way of exercising.
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Video Introduction: http://v.youku.com/v_show/id_XNDYwNzk4NTE2.html
