Transportation:Superships——Vasco da Gama

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Transportation:Superships——Vasco da Gama

The mega dredger Vasco da Gama is the world's largest trailing hopper suction dredger — a vessel that can literally move mountains of sand, clay and gravel. In countries where oceanfront land is in short supply, people are searching for it in a very strange place — deep beneath the sea. An armada of ocean bottom dredgers is sucking up millions of cubic metres of sand to create airports, housing sites and container terminals.

  • Added:2006
  • Country:Britain
  • Duration:60
  • Time of update:2011/3/11 15:03:55

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