Mount Sinabung spews pyroclastic smoke, seen from Tiga Pancur village on October 13, 2014 in Berastagi, Karo district, North Sumatra, Indonesia. Mount Sinabung, which has lain dormant for over 400 years, has been intermittently erupting since September 15 last year, killing 15 people and forcing hundreds to flee their homes. According to The National Disaster Mitigation Agency, more than 3,000 residents are still displaced. (Photo by Ulet Ifansasti/Getty Images)

This handout picture taken on December 13, 2016 and released on December 14, 2016 by the Tiergarten Schoenbrunn zoo in Vienna, Austria, shows a baby sloth eating some salad as it hangs on it's mother's belly in their enclosure. The baby was born already on November 18, 2016, but according to the zoo it could be picured for the first time only now as it usually hides in it's mother's soft coat. (Photo by Daniel Zupanc/AFP Photo)

The National Geographic Photo Ark is a travelling exhibition of photographer Joel Sartore’s quest to create a photo archive of biodiversity around the world. So far, Sartore has captured studio portraits of more than 6,000 species – a number that he hopes to double. On 1 July, the ark will open at Melbourne zoo – the first time it has been exhibited in the southern hemisphere. More than 50 portraits will be on display, including many of Australian endangered animals being protected by programs at the zoo itself. These captions have been edited from text supplied by Melbourne zoo. Here: Barking owl. (Photo by Joel Sartore/National Geographic Photo Ark/The Guardian)

Pals let their hair down for one last hoorah in Cardiff, capital of Wales on September 12, 2020. Groups of friends crammed into pubs and restaurants to “go out in style” before the “rule of six” is enforced on Monday. (Photo by Huw Evans Picture Agency/The Sun)

Daredevil motorcycle rider Captain Shivam Singh (C) from the “Tornadoes” motorcycle acrobatic team of the Indian Armed Forces comes out ablaze after catching fire while riding his bike through a tunnel of fire during an attempt to break the Guinness Book of World Records in Bangalore on November 10, 2020. Shivam Singh broke the Guinness Book of World Records passing 127 m and escaped with minor injuries. (Photo by Manjunath Kiran/AFP Photo)

Festival crowd enjoying the weather on Day 1 of Reading Festival on August 25, 2017 in Reading, England. (Photo by Dean Fardell/Barcroft Images)

A model performs with knitting umbrella during the Indonesia Umbrella Festival 2021 at Balekambang Park on December 04, 2021 in Solo City, Indonesia. (Photo by Robertus Pudyanto/Getty Images)

Four-year-old Riley Gillet, of Orlando, lights a candle with her family, marking the beginning of the traditional Jewish holiday of Hanukkah, during the Chabad of Greater Orlando's “Chanukah on the Park” celebration in Winter Park, Fla., late Sunday, November 28, 2021. Held at Central Park, the event included the lighting of a giant menorah, live performers, music and dancing. Jews worldwide will celebrate Hanukkah through Dec. 6. (Photo by Joe Burbank/Orlando Sentinel via AP Photo)