A health worker applies a dose of the AstraZeneca vaccine during the first day of a three-day COVID-19 vaccination campaign for people over age 35 in the Complexo da Maré favela of Rio de Janeiro, Brazil, Brazil, Thursday, July 29, 2021. Some recipients will be monitored to study the rate of protection the vaccines provide and the extent to which virus variants are circulating. (Photo by Bruna Prado/AP Photo)

A reconstruction of the first Neanderthal in the Netherlands, nicknamed Krijn, is on display in the National Museum of Antiquities in Leiden, The Netherlands, 06 September 2021. Krijn's face has been worked on for years by the brothers Adrie and Alfons Kennis. (Photo by Bart Maat/EPA/EFE)

Sri Lankan mahout Nishanth relaxes with a tame elephant Suddi, who was recently released from government custody following a court order, in Pannipitiya, a suburb of Colombo, Sri Lanka, Sunday, September 12, 2021. (Photo by Eranga Jayawardena/AP Photo)

A picture taken on August 25, 2021 shows a view of the Aletsch Glacier. After hiking for hours across the mountain and a vast expanse of white, Swiss glaciologist Matthias Huss crouches down near the middle of the massive glacier and checks the measurements. Analysis of the data gathered from Aletsch, the largest glacier in the Alps, paints a dire picture of the toll that climate change is taking on the behemoth. (Photo by Fabrice Coffrini/AFP Photo)

Ocean Rebellion put on a display of puking oil heads ahead of climate change conference COP26 in Glasgow, Britain, 29 October 2021. (Photo by Robert Perry/EPA/EFE)

A model takes part in the Necropolis – Tanexpo 2021 international exhibition of funeral accessories, services and commemorative art at Moscow's Expocentre in Moscow, Russia on October 26, 2021. (Photo by Sergei Karpukhin/TASS)

Children jump over a puddle of water as they play during a rainstorm on a street in Barcelona, Spain, Saturday, September 18, 2021. (Photo by Emilio Morenatti/AP Photo)

Christmas baubles shaped as Santa Clauses wearing protective masks are pictured amid the coronavirus disease (COVID-19) pandemic in Eichenau, Germany, November 26, 2021. (Photo by Michaela Rehle/Reuters)