Tourists kissing front of Malaysia's landmark Petronas Twin Towers with lights on before turned off to mark Earth Hour 2016 in Kuala Lumpur, Malaysia, 19 March 2016. Earth Hour takes place worldwide at 8.30 p.m. local time and is a global call to turn off lights for 60 minutes to raise awareness of the danger of global climatic change (Photo by Fazry Ismail/EPA)

Children attend a war safety awareness class conducted by civil defence members, in the rebel-controlled area of Maaret al-Numan town in Idlib province, Syria May 14, 2016. (Photo by Khalil Ashawi/Reuters)

Supporters of the presidential candidate Muhammadu Buhari and his All Progressive Congress hits another supporter with a motorbike during celebrations in Kano, Nigeria March 31, 2015. (Photo by Goran Tomasevic/Reuters)

A resident receives a dose of Pfizer BioNTech COVID-19 vaccine at a rural village on December 01, 2021 in Aringay, La Union province, Philippines. The Philippines is rushing to vaccinate its population as it mulls making COVID-19 vaccination mandatory and amid the looming threat of the Omicron variant of the coronavirus. The country, which has just approved booster shots for its adult population, launched a three-day national vaccination holiday on November 29 to December 1 with the goal of vaccinating at least nine million additional people. (Photo by Ezra Acayan/Getty Images)

People wear traditional Chinese outfits as they walk in Chinatown in Bangkok on February 11, 2021, ahead of the start of the Lunar New Year, which ushers in the Year of the Ox on February 12. (Photo by Lillian Suwanrumpha/AFP Photo)

Gong Yan of Team China flies out of the gate at the Para Alpine Skiing Men's Super Combined Super-G Standing at Yanqing National Alpine Skiing Centre during day three of the Beijing 2022 Winter Paralympics on March 07, 2022 in Yanqing, China. (Photo by Joel Marklund for OIS/PA Wire)

A Ukrainian soldier inspects a destroyed Russian APC after recent battle in Kharkiv, Ukraine, March 24, 2022. The writing made by Ukrainian soldiers reads: “Not to War”. (Photo by Efrem Lukatsky/AP Photo)

A couple wearing protective masks take a picture of a rose on Valentine's Day in Kuala Lumpur, Malaysia on February 14, 2022. (Photo by Hasnoor Hussain/Reuters)