A man visits the National Museum of Libya in Tripoli, Libya, on May 18, 2026. On the occasion of the International Museum Day, the National Museum of Libya opened its doors free of charge to visitors. (Photo by Hazem Turkia/Xinhua)

A girl visits the National Museum in Damascus, Syria, May 18, 2026. Syria's Directorate-General of Antiquities and Museums opened museums free of charge across the country on Monday to mark International Museum Day. (Photo by Ammar Safarjalani/Xinhua)

People visit the National Museum of Agriculture in Prague, the Czech Republic, May 18, 2026. The museum opened to the public for free and held a series of events on Monday to celebrate International Museum Day. (Photo by Dana Kesnerova/Xinhua)

The entrance of the National Museum of Agriculture is pictured in Prague, the Czech Republic, May 18, 2026. The museum opened to the public for free and held a series of events on Monday to celebrate International Museum Day. (Photo by Dana Kesnerova/Xinhua)

A man sits on a tractor at the National Museum of Agriculture in Prague, the Czech Republic, May 18, 2026. The museum opened to the public for free and held a series of events on Monday to celebrate International Museum Day. (Photo by Dana Kesnerova/Xinhua)

A woman visits the National Museum of Agriculture in Prague, the Czech Republic, May 18, 2026. The museum opened to the public for free and held a series of events on Monday to celebrate International Museum Day. (Photo by Dana Kesnerova/Xinhua)

People visit the National Museum of Agriculture in Prague, the Czech Republic, May 18, 2026. The museum opened to the public for free and held a series of events on Monday to celebrate International Museum Day. (Photo by Dana Kesnerova/Xinhua)

People visit the National Museum of Agriculture in Prague, the Czech Republic, May 18, 2026. The museum opened to the public for free and held a series of events on Monday to celebrate International Museum Day. (Photo by Dana Kesnerova/Xinhua)

A tourist views exhibits at the Lao Art Museum in Vientiane, Laos, May 18, 2026. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

A tourist takes photos at the Lao Art Museum in Vientiane, Laos, May 18, 2026. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

A drone photo taken on May 18, 2026 shows an exterior view of the Lao Art Museum in Vientiane, Laos. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

A woodcarving exhibit is seen at the Lao Art Museum in Vientiane, Laos, May 18, 2026. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

Tourists visit the Lao Art Museum in Vientiane, Laos, May 18, 2026. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

A tourist visits the Lao Art Museum in Vientiane, Laos, May 18, 2026. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

A woodcarving exhibit is pictured at the Lao Art Museum in Vientiane, Laos, May 18, 2026. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)

A drone photo taken on May 18, 2026 shows an exterior view of the Lao Art Museum in Vientiane, Laos. International Museum Day is observed every year on May 18. (Photo by Kaikeo Saiyasane/Xinhua)