Soldiers of China's People's Liberation Army (PLA) jump as part of their winter training in temperature of negative 26 degrees Celsius at China's border with Russia in Heihe, Heilongjiang province, December 14, 2015. (Photo by Reuters/Stringer)

Couples take part in the “Love and Challenge Marathon” in Hanoi, Vietnam, 16 August 2015. Fifty couples, who are going to get married, participated in the event which is held the fifth time. This year, the winners of the marathon received a honeymoon trip to Malaysia. (Photo by Luong Thai Linh/EPA)

Cosplayer Monzerath Gutierrez, who portrays Dragon Ball Z character Trunks, female version, poses for a portrait during the 4th edition of the MiniCon Anime convention, at the School of Dance, in Managua, Nicaragua, Sunday, July, 26, 2015. (Photo by Esteban Felix/AP Photo)

“A dirty thunderstorm (also, Volcanic lightning) is a weather phenomenon that occurs when lightning is produced in a volcanic plume. Dirty thunderstorms have been reported in Chile above the Chaiten Volcano, above Alaska's Mount Augustine volcano, and Iceland's Eyjafjallajökull volcano”.

Photo: A cloud of ash pours from Puyehue volcano in southern Chile, at sunset on June 5, 2011. (Claudio Santana/AFP)

A farmer harvests the lotus roots at a lotus pond in the Lingjiaohu Village of Nanxian County, Yiyang City, Central China's Hunan Province on April 26, 2023. Farmers in Lingjiaohu Village of Nanxian County have recently been busy with harvesting lotus roots. (Photo by Xinhua News Agency/Rex Features/Shutterstock)

Kyle Larson (42) flips as he makes contact with Jeffrey Earnhardt (81) on the back stretch during a NASCAR Cup Series auto race at Talladega Superspeedway, Sunday, April 28, 2019, in Talladega, Ala. (Photo by Greg McWilliams/AP Photo)

A girls’ Friday night out on the town, in Bristol, England, 2009. As in most big cities in the UK, around the weekend you see women with very minimal clothing on, wandering around regardless of the temperature. (Photo by Martin Parr/Magnum Photos)