Friday, November 14, 2014

Hang Son Doong, the world's largest caves in Vietnam [22 Pics]

  • Hang Son Doong is the world's biggest caves in Vietnam.
  • Has been explored in 2009 by a group of scientists from the British Cave Research Association.
  • Son Doong dimensions is more than 5km long, 200m high and 150m wide. 

  • Sunday, January 12, 2014

    Great Wall of China [12 Pic]

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