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A tourist views pit viper specimens displayed at Queen Saovabha Memorial Institute's snake museum in Bangkok, Thailand, May 17, 2016. Saturday marks the International Museum Day. (Xinhua/Li Mangmang)
A tourist views pit viper specimens displayed at Queen Saovabha Memorial Institute's snake museum in Bangkok, Thailand, May 17, 2016. Saturday marks the International Museum Day. (Xinhua/Li Mangmang)