An elephant cools off at a zoo in Karachi, Pakistan, 31 March 2021. Caretakers at Karachi's zoo were working to keep animals cool during a​ heatwave affecting southern Pakistan. (Photo by Shahzaib Akber/EPA/EFE)

Women wearing traditional dresses dance next to Cathedral–Mosque of Cordoba, Andalusia, Spain, 26 May 2021, to celebrate the Cordoba Fair that was suspended due to coronavirus COVID-19 pandemic for a second consecutive year. The Cordoba Fair is held every year in May for a week during which flamenco, food, and wine are the main attractions for thousands of people. (Photo by Salas/EPA/EFE)

A jogger is seen running at Hampstead Heath with London in the background on June 1, 2021. Britain sees temperatures increasing for the second day in a row after the mercury hit 25C (77 Fahrenheit) for the warmest day of the year so far on Bank Holiday Monday. (Photo by Joshua Bratt/London News Pictures)

Spain’s fans react after their team lost the match against Italy while watching the match in a bar during the Euro 2020 soccer championship semifinal match between Italy and Spain, in Pamplona, northern Spain, Tuesday, July 6, 2021. (Photo by Alvaro Barrientos/AP Photo)

Swan Uppers try to capture a swan and it's Cygnets on the River Thames near Windsor, England, during Swan Upping, with Windsor Castle in background, Tuesday July 20, 2021. The ancient tradition of Swan Upping is the annual census to gauge the numbers and health of the swan population on the River Thames. (Photo by Steve Parsons/PA Wire via AP Photo)

Nina Betschart of Team Switzerland dives against Germany during the Women's Preliminary - Pool F on day one of the Tokyo 2020 Olympic Games at Shiokaze Park on July 24, 2021 in Tokyo, Japan. (Photo by Sean M. Haffey/Getty Images)

Workers tend green onion plants among nearly 1,000 acres of terracing in fields in the Majalengka Regency of West Java in Indonesia in July 2021. (Photo by Andika Oky Arisandi/Solent News)

People take home sacrificial animals after purchasing it at a cattle market ahead of the Muslim festival of Eid al-Adha in Karachi on July 19, 2021. (Photo by Asif Hassan/AFP Photo)