This amazing floating underwater city may become a reality in China

A Chinese company wants to build this incredible four-square-mile floating underwater city using the same techniques they're using for the construction of the 31-mile bridge that links Hong Kong, Macau and Zhuhai. It's incredible—the kind of stuff I dreamed about when I was a little kid. » 5/21/14 7:25pm 5/21/14 7:25pm