People visit Museum of Arts and Crafts in Shanghai on May 18, 2018.

Visitors watch a technician make a sculpture at the Museum of Arts and Crafts in Shanghai on May 18, 2018.

Visitors admire exhibits at the Museum of Arts and Crafts in Shanghai on May 18, 2018.

Visitors admire exhibits at the Museum of Arts and Crafts in Shanghai on May 18, 2018.

People lined up to visit museums across the city on Friday for International Museum Day.

From May 18 to 20, more than 100 museums will be free to the public, while admission fees for the Shanghai Science & Technology Museum, Shanghai Film Museum, Shanghai Guanfu Museum and Shanghai Natural History Museum will be 50 percent cheaper.