Airports need a lot of space, but in the places most in need of air connections -- islands and large metropolises -- it's a commodity that's in short supply.
원문출처 : http://www.cnn.com/2016/07/03/aviation/floating-airports/index.html
원문출처 : http://www.cnn.com/2016/07/03/aviation/floating-airports/index.html