A high temperature alerts were issued as a record-setting summer heat wave continued to bake most parts of south China. (Reuters)

In this December 18, 2013 photo released by Six Flags Discovery Kingdom, 32 men dressed as Santa Claus ride the 150-foot tall SkyScreamer tower swing ride at Six Flags Discovery Kingdom in Vallejo, Calif. (Photo by Jason Quintos/AP Photo/Six Flags Discovery Kingdom)

This is the amazing moment a heroic hippo saved a gnu from certain death. After being bitten by a crocodile, the large antelope is seen being dragged slowly under the water. But in a miraculous turn of events, a nearby hippo is seen making its way across the water to help the animal in its hour of need. Photo: One of the biggest hippos protects the gnu as it makes its way back to the shoreline, guarding it from any further attacks. (Photo by Vadim Onishchenko/Caters News)

“Misty Rainbow”. A rainbow appears over tea fields in Tangerang Selatan, Indonesia. (Photo by Dani Agus Purnomo/Royal Meteorological Society’s Weather Photographer of the Year Awards)

Germany, Business couple making love under desk. (Photo by Roman Maerzinger/Getty Images)

Myanmar revellers take part in celebrations on the fifth and last day marking Thingyan, a water festival which brings in the country's new year, in Yangon on April 16, 2016. The Buddhist festival of water pouring symbolizes spiritual cleansing and begin the new year free from worldly impurities with celebrants devoting the four days of Thingyan in merry making of water dousing until the eve of new year. (Photo by Romeo Gacad/AFP Photo)

Fans of Germany react as they watch the Euro 2016 match between France and Germany in France at a public screening of the match in Berlin, Germany, July 7, 2016. France won 2-0. (Photo by Hannibal Hanschke/Reuters)

A man wearing a face mask as a precaution against the coronavirus, walks past in front of an advertisement of an opera performance outside of a theater in Seoul, South Korea, Wednesday, March 3, 2021. (Photo by Lee Jin-man/AP Photo)