The answer to today's Geo Quiz is Lake Inya, a scenic lake in Yangon, Myanmar, where Burmese authorities took an American into custody after he swam across the lake. He's suspected of trying to enter the compound of the pro-democracy leader, Aung San Suu Kyi. Anchor Marco Werman gets details from Tin Htar Swe, head of the BBC's Burmese service.