The Thames Barrier (London) | flood protection, floodgate

United Kingdom / England / Westham / London
 flood protection, floodgate
The centrepiece of London's flood defences, the Thames Barrier was completed in 1984 at a cost of £534 million. It is expected to cope with sea level changes until somewhere between 2030 and 2050.
Wikipedia article: http://en.wikipedia.org/wiki/Thames_Barrier
Nearby cities:
Coordinates:   51°29'49"N   0°2'15"E

Comments

  • Probably will need another on of theses, in the next 20 years as water levels rise from global warming.
  • This also marks the boundary between the tidal River Thames and the North sea. Everything to the west of the barrier is the Thames, to the east is the north sea (officially)