Make a Comment • Email Link • Send Letter to Editor IPFS News Link • Geography Pearl Mega City to Become Largest 02-03-2011 • arclein China is planning to create the world's biggest mega city by merging nine cities to create a metropolis twice the size of Wales with a population of 42 million. Watch Streaming Broadcast Live: LRN.fm Watch live shows and archives TV Live Chat Telegram Share this page with your friends on your favorite social network: