International Museum Day marked around world

People walk through a door carrying words "Europeans Only" in the Apartheid Museum in Johannesburg, South Africa, May 17, 2019. The Apartheid Museum opens a window into South Africa's past struggle with colonial domination, injustices and racial segregation while spotlighting the dawn of an independence era marked with racial integration and just rule. May 18 marks the International Museum Day. (Xinhua/Chen Cheng)