A citizen rides in smog on December 20, 2016 in Jinan, Shandong Province of China. Air quality index (AQI) readings exceeded 400 and some schools have suspended classes in Jinan. (Photo by VCG/VCG via Getty Images)

Indonesian mahouts clean their Sumatran elephant in a river near the zoo in Medan, North Sumatra, Indonesia, 12 December 2014. According media reports, the smallest of the Asian elephants, Sumatran elephant (Elephas maximus sumatrensis) is facing serious pressures arising from illegal logging and associated habitat loss and fragmentation in Indonesia. The population has come under increasing threat from rapid forest conversion to plantations. (Photo by Dedi Sahputra/EPA)

Brett Gardner #11of the New York Yankees dives into second base on the back end of an attempted double during the first inning in a MLB baseball game at Yankee Stadium on September 3, 2014 in the Bronx borough of New York City. Gardner was tagged out on the play. (Photo by Rich Schultz/Getty Images)

In this photo taken on Thursday, July 23, 2015 migrants enter a train to Serbia at the railway station in the southern Macedonian town of Gevgelija. The country has become a major transit route for thousands of Middle Eastern and African refugees and migrants who cross over from Greece and then continue into Serbia. (Photo by Boris Grdanoski/AP Photo)

Residents of the Huachipa populous district, east of Lima, are helped on March 17, 2017, by police and firemen rescue teams to cross over flash floods hitting their neighbourhood and isolating its residents. The climatic phenomenon El Niño is causing muddy rivers overflows on the entire Peruvian coast, isolating hundreds of people, mostly residents of Lima's industrial belt neighbourhoods. (Photo by Cris Bouroncle/AFP Photo)

A sewer cleaner of Dhaka City Corporation cleaning out the city's sewers on May 03, 2017 in Dhaka, Bangladesh. Despite a rise in the number of deaths of manhole workers every year, workers regularly go into the manholes without any protective gear. (Photo by Zakir Chowdhury/Barcroft Images)

Policemen stand guard during a protest in Colombo, Sri Lanka, Monday, July 11, 2022. (Photo by Rafiq Maqbool/AP Photo)

A veterinarian inspects a cow for foot-mouth-disease ahead of Eid al-Adha, the feast of the sacrifice marking the end of the Hajj pilgrimage to Mecca and commemorates Prophet Abraham's readiness to sacrifice his son to show obedience to Allah, at a cowshed in Lambaro, Aceh province on July 7, 2022. (Photo by Chaideer Mahyuddin/AFP Photo)