La cité oubliée de la dynastie Ming

Why did the first Ming emperor build a gigantic imperial city, then abandon it? The story of the city's construction, abandonment and rediscovery.Why did the first Ming emperor build a gigantic imperial city, then abandon it? The story of the city's construction, abandonment and rediscovery.Why did the first Ming emperor build a gigantic imperial city, then abandon it? The story of the city's construction, abandonment and rediscovery.