The black-and-white part shows the ruined Tangshan after the devastating earthquake on July 28, 1976, while the colored picture exhibits the site of 2016 Tangshan International Horticultural Exposition on July 9, 2016. (Photo/Xinhua)
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The black-and-white part shows the ruined Tangshan after the devastating earthquake on July 28, 1976, while the colored picture exhibits the site of 2016 Tangshan International Horticultural Exposition on July 9, 2016. (Photo/Xinhua)
