Why these Megacities are Still Emptybr br #megaprojects #ghostcity #megacitiesbr All over the world, new megacities are being built from scratch. Some of them remain empty, while others seem more promising. In this video we look at Egypt's new administrative capital, Nusantara, Sejong and Naypyidaw. These are 4 huge mega projects built for millions of people.