A man carries floats as he walks on an algae covered beach as a truck collecting algae passes by, along the coastline in Qingdao, Shandong province, July 6, 2015. (Photo by Reuters/China Daily)

Participants lay down on a street covered by coloured powder during the annual Bangkok Color Run in Bangkok, Thailand April 1, 2017. (Photo by Athit Perawongmetha/Reuters)

People gather to watch the eruption of the Mauna Loa Volcano while the lava flow is covered with the clouds in Hawaii, U.S. December 3, 2022. (Photo by Go Nakamura/Reuters)

Planes land in fog at Heathrow Airport, west London on January 4, 2014, as heavy fog covers a many parts of the south east. (Photo by Steve Parsons/PA Images via Getty Images)

A Ukrainian police officer takes cover in front of a burning building that was hit in a Russian airstrike in Avdiivka, Ukraine, Friday, March 17, 2023. (Photo by Evgeniy Maloletka/AP Photo)

A woman takes photos of a child on a sports ground covered with hailstones following a hail storm in the Siberian city of Omsk, Russia on June 27, 2023. (Photo by Alexey Malgavko/Reuters)

Israelis take cover from the incoming rocket fire from the Gaza Strip in Ashkelon, southern Israel, Wednesday, October 11, 2023. (Photo by Leo Correa/AP Photo)

“Asaro from the Eastern Highlands”. The mudmen could not cover their faces with mud because the people of Papua New Guinea thought that the mud from the Asaro river was poisonous. So instead of covering their faces with this alleged poison, they made masks from pebbles that they heated and water from the waterfall, with unusual designs such as long or very short ears either going down to the chin or sticking up at the top, long joined eyebrows attached to the top of the ears, horns and sideways mouths. (Photo and caption by Jimmy Nelson)