A woman wearing a mask reacts at her garden which locates next to chimneys of coal-fired power plant in Shijiazhuang, Hebei province, China, January 28, 2015. Beijing introduced tougher regulations this year to combat pollution, keen to overhaul China's unwanted image of smog-choked cities, fouled waterways and heavy-metal tainted soil. (Photo by Kim Kyung-Hoon/Reuters)

Japan' s Kaori Sakamoto competes in the women' s single skating short program of the figure skating event during the Pyeongchang 2018 Winter Olympic Games at the Gangneung Ice Arena in Gangneung on February 21, 2018. (Photo by John Sibley/Reuters)

PETA (People for the Ethical Treatment of Animals) activists wear crocodile masks during a demonstration against the use of crocodile skins ahead of Milan's Fashion Week, in Milan's Duomo Square, Italy, Tuesday, February 21, 2017. Milan Fashion Week opens Wednesday. (Photo by Antonio Calanni/AP Photo)

Russian communists lay flowers at Soviet leader Joseph Stalin's tomb on Red Square next to the Kremlin wall in Moscow, Russia, December 21, 2015. Russian communists are marking the 136th anniversary of Josef Stalin's birthday. (Photo by Sergei Ilnitsky/EPA)

Poland's Pia Skrzyszowska (C) wins gold in the women's 100m Hurdles final during the European Athletics Championships at the Olympic Stadium in Munich, southern Germany on August 21, 2022. (Photo by Ina Fassbender/AFP Photo)

Italy's Alexandra Oberstolz and Katharina Sofie Kofler compete in the women's-doubles luge event at the Gangwon 2024 Winter Youth Olympic Games in the Alpensia Sliding Centre in Gangwon, South Korea, on January 21, 2024. (Photo by OIS/IOC/Handout via Reuters)

Paris Saint-Germain's Italian goalkeeper #01 Gianluigi Donnarumma and Salzburg's Serbian forward #21 Petar Ratkov vie for the ball during the UEFA Champions League football match between FC RB Salzburg and Paris Saint-Germain in Salzburg, Austria on December 10, 2024. (Photo by Franck Fife/AFP Photo)

A Houthi follower with fake blood on his clothes lies on the ground to represent a victim as others perform a war dance during a ceremony marking the first anniversary of the Houthi movement's takeover of Yemen's capital Sanaa September 21, 2015. (Photo by Khaled Abdullah/Reuters)