Good Link
Thanks for the link, there are some nice civic designs and beautiful public structures but very few people there. The link does not explain why those cities are unpopulated but it looks like an excess of optimism on central planning. I would hazard a guess that no one is living in those cities because there is no work other than building the city; if that is so then there is no incentive for anyone to move and live there.
A greater tragedy is the waste of resources from concrete to copper and other metals for something that may fall apart before anyone moves there.