Sudanese protesters rally outside the army complex in Sudan's capital Khartoum on April 18, 2019. Huge crowds of protesters thronged the Sudanese capital Khartoum today, a week after the army's ouster of president Omar al-Bashir, determined to complete their revolution seeking civilian rule. (Photo by Ozan Kose/AFP Photo)

Camel racing made its debut in Paxford, Gloucestershire, England yesterday at a point-to-point event on April 22, 2019. Each of the four camels was sponsored by a local pub. (Photo by Paul Nicholls/The Times)

A protester is taken away by police during an electoral campaign closing rally of Spain's far-right party VOX in Madrid, Spain on April 26, 2019. (Photo by Juan Medina/Reuters)

This screengrab from Thai TV Pool video taken on May 1, 2019 shows a ceremony in which Thailand's King Maha Vajiralongkorn “legally married” Suthida Vajiralongkorn na Ayudhya in Bangkok. Thailand announced on May 1, 2019 that King Maha Vajiralongkorn's long-time consort had become his fourth wife, bestowed with the title Queen Suthida – a surprise move just days before his coronation. (Photo by Bureau of the Royal Household via Reuters)

A Sotheby's employee poses with a “Return of the Jedi” promotional C-3PO Helmet 1983, estimated at £15,000-£25,000 created by George Lucas' visual effects company during a photocall at Sotheby's in London, Britain on December 6, 2019. (Photo by Thomas Mukoya/Reuters)

Clowns pose for a picture during the International Clown Day in Guadalajara, Mexico, on December 10, 2019. (Photo by Ulises Ruiz/AFP Photo)

A reveler takes part of the Light Festival parade in San Jose, Costa Rica on December 14, 2019. (Photo by Ezequiel Becerra/AFP Photo)

Security forces' members gesture towards a woman in Santiago, Chile on December 18, 2019. (Photo by Andres Martinez Casares/Reuters)