China’s cities are sinking – because there are too many people in them

Dozens of Chinese cities are at risk of being sumberged (Picture: Getty)Dozens of Chinese cities are sinking – including Beijing – and hundreds of millions of people are going to be affected.The sheer weight of buildings to house everyone living there, combined with groundwater extraction, is causing widespread subsidence.Severe subsidence will affect around one-third of its urban population, and in the next century around a quarter of China’s coastal land will be below sea lev