Angkor Wat is an enormous Buddhist temple complex located in northern Cambodia. It was originally built in the first half of the 12th century as a Hindu temple. Spread across more than 400 acres, Angkor Wat is said to be the largest religious monument in the world. Five provinces circled the area of Tonle Sap Lake, more than three million of population inhabited around the bank of the Lake and 90% of them earn a living by catching fish and making agricultures.