Tibet's spiritual leader the Dalai Lama salutes the crowd after his speech at the open-air museum Hessenpark in Neu-Anspach some 30 kilometres north of Frankfurt September 22, 2007. China has complained to the United States over a decision to award exiled Tibetan spiritual leader the Dalai Lama a U.S. Congressional Gold Medal, a Chinese Foreign Ministry spokesman said on Thursday. REUTERS/Alex Grimm