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Workers install a wind-energy lamp on the spectator dam at the Olympic Sailing Center, the venue for the sailing events during the 2008 Beijing Olympic Games, during a media tour on April 24, 2008 in Qingdao of Shandong Province, China. Qingdao is one of co-host cities of the 2008 Olympics, where the sailing events will take place between August 9, 2008 and August 23, 2008.