Members of the Dominican Armed Forces participate in a commemorative act on the 170th anniversary of national independence at the esplanade of Santo Domingo, on February 27, 2014. (Photo by Orlando Barria/EPA)

Amundsen-Scott South Pole Station experiences months of darkness. The sun dips below the horizon on March 21, after which follows several weeks of twilight before complete darkness results. Photo taken on June 25, 2009. (National Science Foundation/Jeremy Johnson)

A girl wearing a Santa hat surfs at Bondi Beach on December 25, 2019 in Sydney, Australia. December is one of the hottest months of the year across Australia, with Christmas Day traditionally involving a trip to the beach and celebrations outdoors. (Photo by Mark Evans/Getty Images)

Kamaz' Russia driver Andrey Karginov, co-driver Andrey Mokeev and Igor Lenonov compete during the Stage 6 of the Dakar 2020 between Ha'il and Riyadh, Saudi Arabia, on January 10, 2020. (Photo by Franck Fife/AFP Photo)

Monkeys sit along a street during a snowfall in Ayubia, some 75 km north of Islamabad, Pakistan on January 7, 2020. (Photo by Aamir Qureshi/AFP Photo)

Migrant children run away from clashes with Mexican National Guards after their group crossed the Suchiate River on foot from Guatemala to Mexico, on the riverbank near Ciudad Hidalgo, Mexico, Monday, January 20, 2020. More than a thousand Central American migrants hoping to reach the United States marooned in Guatemala are walking en masse across a river leading to Mexico in an attempt to convince authorities there to allow them passage through the country. (Photo by Santiago Billy/AP Photo)

A journalist (R) is attacked by residents who are trying to prevent migrants from disembarking on the Greek island of Lesbos, on March 1, 2020. The United Nation called on March 1 for calm and urged states to refrain from “excessive” force, as thousands of migrants have flooded to Turkey's border with Greece in a bid to enter the EU. A massive influx of migrants swelled along the border over the weekend after Turkey's President Recep Tayyip Erdogan threatened to open its frontier to Europe as tensions mount over its deepening conflict in Syria. (Photo by AFP Photo/Stringer)

Chelyabinsk Airport employees take part in an exercise to evacuate aircraft passengers showing symptoms of the 2019-nCoV pneumonia-like coronavirus on February 5, 2020. (Photo by Nail Fattakhov/TASS)