Photo taken on June 27, 2017 shows celebration posters near Tamar Park in Hong Kong, south China. July 1, 2017 marks the 20th anniversary of Hong Kong's return to the motherland. (Xinhua/Liu Yun)
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Photo taken on June 27, 2017 shows celebration posters near Tamar Park in Hong Kong, south China. July 1, 2017 marks the 20th anniversary of Hong Kong's return to the motherland. (Xinhua/Liu Yun)
