Records of Shanghai city sinking into sea

The great and beautiful Shanghai is submerging into sea each year; China has dump massive engineering effort in, only to slow down the process by bits each year. They plan to maintain the rate of sinking at 7 mm each year.

Between the years 1990 to 1999, it was more than 16 mm annually
2000 – 12.1 mm
2001 - 10.9 mm
2002 – 10.2 mm
2003 – 9.5 mm
2004 – 8.7 mm
2005 – 8.3 mm
2006 – 7.5 mm

In fact, many costal city around the World faces the same problem