A girl plays in a water-jets fountain in Moscow, Russia, 23 June 2021. The temperature exceeded 36 degrees Celsius in Moscow. The weather in Moscow broke the temperature record high of the day, held since 1948, when meteorologists recorded +33.6. (Photo by Sergei Ilnitsky/EPA/EFE)

Medical staff administering the dose of Moderna COVID-19 Vaccine at the M A G Osmani Medical College & Hospital vaccination center in Sylhet, Bangladesh on July 26, 2021. (Photo by Md Rafayat Haque Khan/ZUMA Press Wire/Rex Features/Shutterstock)

A hiker admires the view as Mt. Etna, Europe's largest active volcano, erupts in the background, in the Bove Valley of Etna Park, on the eastern slope of Mt. Etna, in Sicily, southern Italy, Sunday, July 4, 2021. Since Feb. 16, 2021, Mt. Etna has begun a series of eruptive episodes. (Photo by Salvatore Allegra/AP Photo)

A couple walks past a burning roadblock set up to protest against a recent kidnapping and shooting in the Petionville neighborhood of Port-au-Prince, Haiti on November 1, 2021. (Photo by Adrees Latif/Reuters)

Burka-wearing Afghan women walk past a clothing shop, in Herat, Afghanistan, Tuesday, November 23, 2021. (Photo by Petros Giannakouris/AP Photo)

Students run past a burning barricade set up by protesters demanding the release of kidnapped people, in Port-au-Prince, Haiti, Thursday, November 25, 2021. The country is experiencing a rise in gang-related kidnappings, many demanding ransom, with the U.S. State Department issuing a warning in Aug. about the risk of kidnapping in Caribbean country. (Photo by Joseph Odelyn/AP Photo)

Sakakibara Kikai's engineer Go Sakakibara poses with the bipedal robot Mononofu during its demonstration at its factory in Shinto Village, Gunma Prefecture, Japan on April 12, 2018. Developed at Sakakibara Kikai, a maker of farming machinery, LW-Mononofu is a 28-feet tall, two-legged robot weighing in at more than 7 tonnes. It contains a cockpit with monitors and levers for the pilot to control the robot's arms and legs. (Photo by Kim Kyung-Hoon/Reuters)

In this April 13, 2018 photo, motorcycle taxi driver Ricardo Medina, 60, transports vegetable vender Rigoberto Herrera Mendez, left, and coconut vendor Osvaldo Ochoa in Campo Florido, east of Havana, Cuba. The three men expressed hope that new government leadership will improve things, saying the country cannot move backwards. “We survive life with our work”, said Medina. (Photo by Ramon Espinosa/AP Photo)