A rainbow forms on water from a spray machine used to suppress coal dust at the Krasnogorsky open pit coal mine, operated by Mechel PJSC, in Mezhdurechensk, Russia, on Monday, July 19, 2021. Russia’s government is betting that coal consumption will continue to rise in big Asian markets like China even as it dries up elsewhere. (Photo by Andrey Rudakov/Bloomberg)

An aircraft drops water during a wildfire near Olympia town, western Greece, Thursday, August 5, 2021. Wildfires rekindled outside Athens and forced more evacuations around southern Greece Thursday as weather conditions worsened and firefighters in a round-the-clock battle stopped the flames just outside the birthplace of the ancient Olympics. (Photo by Giannis Spyrounis/ilialive.gr via AP Photo)

Female members of the PDI (Investigations Police of Chile) march during the traditional military parade as part of the independence day celebrations on September 19, 2021 in Santiago, Chile. This year the militar parade was celebrated with 30% of the staff present in pre-pandemic years. About 6,500 members of the Army, Navy, Air Force, Carabineros and PDI paraded. (Photo by Matias Basualdo/ZUMA Press Wire/Rex Features/Shutterstock)

Switzerland's cyclist Marlen Reusser reacts after placing second in the women' elite time trial race of the UCI World Championships Road Cycling Flanders 2021, in Bruges, on September 20, 2021. UCI World Championships Road Cycling Flanders 2021 takes place from September 19 until September 26, 2021, in several cities in the Belgian region of Flanders. (Photo by Simon Wilkinson/BELGA via AFP Photo)

In this aerial view Haitian migrants queue to receive food at a shelter in Ciudad Acuna, Coahuila State, Mexico, on September 23, 2021. At least 50 police vehicles carrying more than a hundred agents are blocking the border crossing at the river that separates the Mexican city of Ciudad Acuña from the United States, AFP reported. (Photo by Pedro Pardo/AFP Photo)

Lancaster Gate station displays signage after being rebranded “Ratchet and Clankaster Gate” as the PS5 goes on sale in the UK, on November 19, 2020 in London, England. The first generational upgrade to Sony's line of Playstation consoles since 2013, the launch has seen pre-orders sell out within hours and websites crash as retailers attempt to keep up with demand. (Photo by Alex Davidson/Getty Images)

A student wearing a face mask prays before the start of the annual college entrance examination amid the coronavirus pandemic at an exam hall in Seoul, South Korea, Thursday, December 3, 2020. South Korean officials are urging people to remain at home if possible and cancel gatherings as about half a million students prepare for a crucial national college exam. (Photo by Kim Hong-Ji/Pool Photo via AP Photo)

A government awareness poster for wearing surgical masks is seen reflected and upside-down in the Dambovita river in Bucharest, Romania, 19 November 2020. The poster, depicting a man wearing a surgical mask, reads: “I WEAR A MASK BECAUSE I KNOW THAT ONLY TOGETHER WE WILL SUCCEED!”. As the number of COVID-19 infections increased, authorities decided that wearing a protective mask should become mandatory at all times in all public places. (Photo by Robert Ghement/EPA/EFE)