In this photo taken on May 11, 2011, Western tourist and others climb to the top of the 10th century temple Bakheng in the Angkor Wat complex near Siem Reap, Cambodia, to view the setting sun. A traffic jam of up to 3,000 tourists surges up a steep hillside, trampling over vulnerable stonework and quaffing beer at a sacred hilltop that provides spectacular sunset views of the massive beehive-like towers rising from the main temple in this ancient city: Angkor Wat. Cambodian Tourism Minister Thong Khon says some 6 million visitors per year are projected by 2020. (AP Photo/David Longstreath)
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