Naked volunteers wearing white sheets pose for U.S. artist Spencer Tunick in San Miguel de Allende, in the state of Guanajuato, Mexico, Reuters Archive. Photo by Stringer Mexico.

People wearing costumes attend the annual water-splashing festival to mark the New Year of the Dai minority in Jinghong, Yunnan province, China, Reuters Archive. Photo by CDIC.

An aerial view of flower fields is seen near the Keukenhof park, also known as the Garden of Europe, in Lisse, The Netherlands, Reuters Archive. Photo by Yves Herman.

A British Airways passenger aircraft passes in front of the moon as it makes it’s landing approach towards Heathrow Airport in west London, England, Reuters Archive. Photo by Tobey Melville.

Reindeer gather at a camping ground, some 200 km (124 miles) northeast of Naryan-Mar, the administrative centre of Nenets Autonomous Area, far northern Russia, Reuters Archive. Photo by Sergei Karpukhim.

Masks, including some of U.S. Democratic presidential candidate Hillary Clinton, are seen at Jinhua Partytime Latex Art and Crafts Factory in Jinhua, Zhejiang Province, China, Reuters Archive. Photo by Aly Song.

A flock of starlings flies over Lake Leman on an autumn morning in the Lavaux near Grandvaux, Switzerland, Reuters Archive. Photo by Denis Balibouse.

Performers wait to attend a Halloween parade at Happy Valley park in Beijing, China, Reuters Archive. Photo by Jason Lee.

A farmer winnows rice in a field on the outskirts of Ahmedabad, India, Reuters Archive. Photo by Amit Dave.

Models present creations from the Burberry Prorsum Spring/Summer collection during Fashion Week in London, England, Reuters Archive. Photo by GSuzanne Plunkett.

Devotees offer prayers to the rising sun during the «Chhat» festival at Bagmati River in Kathmandu, Nepal, Reuters Archive. Photo by Navesh Chitrakar.

A man wears a mask to protect himself from the pollution in Delhi, India, Reuters Archive. Photo by Cathal McNaughton.

A Syrian Democratic Forces (SDF) fighter stands with his weapon, north of Raqqa city, Syria, Reuters Archive. Photo by Rodi Said.

Russian paratroopers jump past rainbow from an IL-76 transport plane during a joint Serbian-Russian military training exercise «Slavic Brotherhood» in the town of Kovin, near Belgrade, Serbia, Reuters Archive. Photo by Marco Djurica.

A girl sits during auditions for The School of American Ballet (SAB) in the Bronx borough of New York, U.S., Reuters Archive. Photo by Shannon Stapleton.