Slick, glassy skyscrapers cast their shadows over the streets and spaces of cities all over the world.
원문출처 : http://www.cnn.com/2016/12/08/architecture/rise-of-glass-skyscrapers/index.html
원문출처 : http://www.cnn.com/2016/12/08/architecture/rise-of-glass-skyscrapers/index.html