Sky pool in Houston lets you fly and swim at the same time

Real estate developers use a lot of clever techniques to sell apartments, but this is a new one: stomach-churning fear, with a splash of luxury. 
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Situated 40 stories above the city of Houston, with a glass bottom view of the street below, the sky pool at the Market Square Tower probably seemed like a good idea when the developers of this high rise came up with it. Market Square Tower offers a l