An exhibition of giant sand sculptures, featuring replicas of 40 Wonders of the World, opens in Bogota on October 20 and runs until December 31. Under a tent at Bogota’s Coliseo El Campin, the world’s best sand sculptors have worked for months to recreate the Great Wall of China, the Egyptian pyramids, the Eiffel Tower, the Taj Mahal, the Statue of Liberty, the Mayan and Aztec pyramids, the Lost City of Atlantis, the Great Barrier Reef in Australia, and many more.