Singapore's Deputy Prime Minister Teo Chee Hean strikes the gong in the opening ceremony of Sun Yat-Sen Nanyang Memorial Hall in Singapore on Oct. 8, 2011. After one year's renovation, Sun Yat-Sen Nanyang Memorial Hall reopened to the public on Saturday to commemorate the 100th anniversary of China's 1911 (Xinhai) Revolution, which led to the overthrow of the Qing Dynasty (1644-1911). (Xinhua/Then Chih Wey)