ພາບເດັ່ນ ປະຈຳ ວັນທີ 1 ພຶດສະພາ 2019

A cameraman is hit by a teargas canister during clashes with police at the annual May Day rally in Paris, France.

Japan's new Emperor Naruhito and new Empress Masako are driven to Imperial Palace to greet Emperor Emeritus Akihito and Empress Emerita Michiko in Tokyo.

In this photo released by Bureau of the Royal Household ,Thailand's King Maha Vajiralongkorn Bodindradebayavarangkun, right, presents a gift to Queen Suthida Vajiralongkorn Na Ayudhya at Ampornsan Throne Hall in Bangkok. An announcement in the Royal Gazette said Suthida Vajiralongkorn Na Ayudhya is legally married to the 66-year-old king, and is now Queen Suthida.

The Chapel-en-le-Frith dancers perform an annual dance atop the Eccles Pike in Derbyshire, Britain, at sunrise, as part of the ancient Celtic festival Beltane, celebrated on May Day or the beginning of summer.

People wave Japanese flags and take pictures of Emperor Naruhito as he leaves the Imperial Palace in Tokyo.

A street vendor carries her goods as Indonesian police officers rest during a May Day rally near the National Monument (Monas) in Jakarta, Indonesia.

Members of the Korean Confederation of Trade Unions hold up their banners during a May Day rally in Seoul, South Korea.

A man helps a girl to climb onto a boxcar as they join other Central American migrants (not pictured) in the freight train known as "The Beast" in Ixtepec, Mexico, during their journey toward the United States, April 30, 2019.

Competitors ride their bikes during Stage 4 of the 14th edition of Titan Desert 2019 mountain biking race between Merzouga and M’ssici, in Morocco.

Devotees of the Vale do Amanhecer religious community take part in a ceremony at their temple complex in Vale do Amanhecer (Sunrise Valley) on the outskirts of Planaltina, 50 km from the Brazilian capital, Brasilia, April 30, 2019.

Police detain a protester after marching on Taksim Square to celebrate May Day in Istanbul, Turkey.

High school teachers, medical doctors and university students celebrate with firecrackers as they march toward the Congress building, demostrating against education and health care reforms, in Tegucigalpa, Honduras, April 30, 2019.