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  1. The temple ruin of Angkor Wat is the largest single religious building in the world.
  2. In the 12th century, King Suryavarman II built Angkor Wat as a temple to the Hindu god Vishnu.  
  3. The ancient Khmer city of Angkor is the largest known pre-industrial city.   
  4. At its height, the city of Angkor is thought to have supported more than a million people.  
  5. The city of Angkor boasted a highly sophisticated irrigation system, which provided the economic infrastructure for the Khmer people.
  6. The temple of Angkor Wat is still very much the symbol of modern Cambodia, and adorns the Cambodian flag.
  7. The construction of the Angkor Wat temple is thought to have taken some thirty years of intensive labor.
  8. The site receives more than 2 million visitors annually.
  9. Henri Mouhot, a French explorer, helped bring Angkor Wat to fame in the West by publishing an account of his visit in the mid-19th century.
  10. Angkor Wat, the largest of the Angkor Monument forms a rectangle of about 5,000 by 4,000 feet, covering an area - including its 600 foot wide moats - of nearly 500 acres.