People visit Lahore Museum on International Museum Day in eastern Pakistan's Lahore, on May 18, 2017. The Lahore Museum is one of the major museums of South Asia which collects a number of Greco-Buddhist sculptures, Mughal and Pahari paintings. (Xinhua/Jamil Ahmed)

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A visitor looks at sculptures at Lahore Museum on International Museum Day in Pakistan's Lahore, on May 18, 2017. The Lahore Museum is one of the major museums of South Asia which collects a number of Greco-Buddhist sculptures, Mughal and Pahari paintings. (Xinhua/Jamil Ahmed)

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An Indian woman with her child visits the Indian Museum during a free tour on the International Museum Day in Kolkata, capital of eastern Indian state West Bengal, on May 18, 2017. International Museum Day is an occasion to raise awareness of the importance of museums for the development of society. This year, the event will celebrate the theme "Museums and contested histories: Saying the unspeakable in museums." (Xinhua/Tumpa Mondal)

An Indian girl visits the Indian Museum during a free tour on the International Museum Day in Kolkata, capital of eastern Indian state West Bengal, on May 18, 2017. International Museum Day is an occasion to raise awareness of the importance of museums for the development of society. This year, the event will celebrate the theme "Museums and contested histories: Saying the unspeakable in museums." (Xinhua/Tumpa Mondal)

Indian children visit the Indian Museum during a free tour on the International Museum Day in Kolkata, capital of eastern Indian state West Bengal, on May 18, 2017. International Museum Day is an occasion to raise awareness of the importance of museums for the development of society. This year, the event will celebrate the theme "Museums and contested histories: Saying the unspeakable in museums." (Xinhua/Tumpa Mondal)