Why are there dozens of 'ghost cities' in China?

Fancy villas, high-rise apartment blocks, lakes, parks and sprawling road networks: ghost cities in China have it all — except people. To some, the empty sprawls are a sign of a Chinese debt crisis, but to others it shows China's thinking one step ahead. Read more here: https://ab.co/2twFg8N For more from ABC News, click here: http://www.abc.net.au/news/ Follow us on Twitter: http://twitter.com/abcnews Like us on Facebook: http://facebook.com/abcnews.au Subscribe to us on YouTube: http://ab.co/1svxLVE Follow us on Instagram: http://instagram.com/abcnews_au