This $26 Billion Underwater City Could Be Ready in 15 Years Humanity could soon live under the sea. Facebook Prev Article Next Article Discover Checkout these cool gadgets... Related Posts Those Annoying Floating Things You See in Your Eyes Will The World Ever Run Out Of Water? How Does The Internet Work and Connect Around The World? Why It’s Almost Impossible to Run 100 Meters In 9 Seconds The Equinox Isn’t What You Think It Is Can We Power the World With a Single Energy Grid?