A woman shows a first day cover of commemorative stamps for the 150th anniversary of Sun Yat-sen's birth at the former residence of Sun's wife Soong Ching Ling in Beijing, Nov 12, 2016. (Photo/Xinhua)
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A woman shows a first day cover of commemorative stamps for the 150th anniversary of Sun Yat-sen's birth at the former residence of Sun's wife Soong Ching Ling in Beijing, Nov 12, 2016. (Photo/Xinhua)
