In this November 30, 2017 photo, Douglas scoops up mud from the bottom of the polluted Guaire River, in search of gold and anything valuable he can sell, in Caracas, Venezuela. Some stretches of the river smell of sewer while others emit a toxic odor of fuel, a stench that stays in ones nose for hours after leaving the water. (Photo by Ariana Cubillos/AP Photo)

An Indonesian jockey rides two bulls with a cart during a traditional sport bull race locally called “pacu jawi” in Pariangan of Tanah Datar regency in West Sumatra on December 1, 2018. (Photo by Adek Berry/AFP Photo)

Young girls attend a training session in MGFSO Olympic reserve school in Moscow on May 30, 2016. (Photo by Kirill Kudryavtsev/AFP Photo)

NASA's Cassini spacecraft has provided scientists the first close-up, visible-light views of a behemoth hurricane swirling around Saturn's north pole. In high-resolution pictures and video, scientists see the hurricane's eye is about 1,250 miles (2,000 kilometers) wide, 20 times larger than the average hurricane eye on Earth. Thin, bright clouds at the outer edge of the hurricane are traveling 330 mph(150 meters per second). The hurricane swirls inside a large, mysterious, six-sided weather pattern known as the hexagon. Photo: The spinning vortex of Saturn's north polar storm resembles a deep red rose of giant proportions surrounded by green foliage in this false-color image from NASA's Cassini spacecraft. (Photo by NASA/JPL-Caltech/SSI)

Residents ride on top of an overcrowded “Jeepney”, a locally manufactured public transport, along a highway in Mogpog town on Marinduque island in central Philippines April 8, 2015. (Photo by Erik De Castro/Reuters)

This picture taken on October 10, 2020 and released from North Korea's official Korean Central News Agency (KCNA) on October 11, 2020 shows the military parade during a ceremony to mark the 75th anniversary of the Workers' Party of Korea at Kim Il-sung Square of Pyongyang. (Photo by KCNA via KNS/AFP Photo)

Indian Christians take part in Christmas prayers at the Infant Jesus church in Bangalore, India, 25 December 2020. Most Christians celebrate Christmas on 25 December to commemorate the birth of Jesus, the central figure of Christianity. (Photo by Jagadeesh N.V./EPA/EFE)

A reveller wears a carnival mask in St. Mark's Square to celebrate Venice's annual colourful carnival, which has been cancelled this year due to the coronavirus disease (COVID-19) pandemic, in Venice, Italy, February 7, 2021. (Photo by Manuel Silvestri/Reuters)