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Visitors wash their hands at the entrance of the Colombo International Book Fair (CIBF) 2020 in Colombo, Sri Lanka, Sept. 27, 2020. As the largest book exhibition in Sri Lanka, the CIBF 2020 closed in Colombo on Sunday. This year's CIBF was held from Sept. 18 to 27 under strict COVID-19 health and safety guidelines. (Xinhua/Tang Lu)
