Half of China's Cities is Shink

Water extraction and weight of buildings see half of China 's City SinkNearly  half of China's major cities are Sinking because of water extraction and the increasing weight of their rapid expansion, research say.

         Some cities are Subsding rapidly , with one in six exceeding 10mm peryea.

      China's rapid urbanization in recent decades means far more water in now Being drawn up to meet people's needs , Scientist say. 

                    In coastal cities, this Subsidence threatness million of people with flooding as sea levels rise

     china  has long history of dealing with Subsding  land , with both Shanghai and Tianjin Showings  evidence of sinking back in the 1020 Shanghai has Sunk more than 3m over the past century.   

      

    In more modern times, the Country is Seeing widespread evidence of subsidence  in many of the Cities that have experienced rapidly in recent decades.

     To understand the Scale of the problem,a team of reasearch from several Chinese University have eximated82Cities, including all With population over 2 millio