Firefighters extinguish a fire in Kampar, Riau province on Indonesia's Sumatra island on August 13, 2019. Indonesian authorities are deploying thousands of extra personnel to prevent a repeat of the 2015 fires, which were the worst for two decades and choked the region in haze for weeks. (Photo by Wahyudi/AFP Photo)

In this Thursday, October 3, 2019 photo, a female black bear sleeps with its tongue out high up in a Ponderosa pine tree near Clark Fork School in the Rattlesnake neighborhood of Missoula, Mont. The bear's cub, not pictured, was snoozing on a nearby branch. (Photo by Tommy Martino/The Missoulian via AP Photo)

This photo taken on December 2, 2015 shows a lenticular cloud forming as white streaks from airplanes mark the blue sky, in a rare atmospheric phenomena above the town of Gevgelija on December 2, 2015. Lenticular clouds have been regularly confused for UFOs throughout history due to the their smooth, round or oval lens-shaped structure. (Photo by Armend Nimani/AFP Photo)

The comet Neowise, or C/2020 F3, is seen in the evening sky above the artwork titled: “Seven Magic Mountains” by artist Ugo Rondinone, Thursday, July 16, 2020, near Jean, Nev., south of Las Vegas. (Photo by John Locher/AP Photo)

In this Sunday, September 23, 2012 file photo, masked and armed Somali pirate Hassan stands near a Taiwanese fishing vessel washed ashore after the pirates were paid a ransom and the crew were released in the once-bustling pirate den of Hobyo, Somalia. Pirates have hijacked an oil tanker off the coast of Somalia, Somali officials and piracy experts said Tuesday, March 14, 2017, in the first hijacking of a large commercial vessel there since 2012. (Photo by Farah Abdi Warsameh/AP Photo)

Lightning over Mow Cop Castle which is a folly at Mow Cop in the civil parish of Odd Rode, Cheshire, UK on August 13, 2020, as thunderstorms continue during the current heatwave. (Photo by Lee Scally/Bav Media)

Santa Claus wears a mask as he pushes a sleigh full of curbside grocery orders to an Aldi customer at a parking lot in Palatine, Ill., Saturday, December 19, 2020. For this weekend only, Santa Claus is delivering groceries to Aldi customers in Palatine and several other towns in the Chicago area. (Photo by Nam Y. Huh/AP Photo)

A pair of Easter bunnies socialise in the sunshine on April 4, 2021 in Brighton, United Kingdom. Earlier this week, the UK government eased rules on socialising, permitting groups of six people (or more if limited to two households) to meet outdoors. The latest lockdown measures were imposed at the end of last year to curb a surge in Covid-19 cases. (Photo by David McHugh/Brighton Pictures)