A file photo is put to match the real scene of the building which was the former residence of late Chinese leader Mao Zedong during the First National Congress of the Communist Party of China (CPC) in 1921, in Shanghai, east China, May 27, 2016. Great changes have taken place in Shanghai, where the Communist Party of China was founded in 1921. This year marks the 95th anniversary of the founding of the CPC. (Photo/Xinhua)
