A medical staff member rests next to a patient infected with Covid-19 in the intensive care unit of Lozenets Hospitalin Sofia on November 9, 2021. Bulgaria is among the countries with the highest number of deaths compared to its population. (Photo by Nikolay Doychinov/AFP Photo)

Miss Universe contestant Carmina Olimpia Cotfas of Romania poses dressed in the national costume for Miss Universe Romania 2021, created by Israeli designer Aviad Arik Herman, in the hallway of the Romanian Atheneum, the reputed 19th century built concert hall, in Bucharest, Romania, Monday, November 22, 2021. The 70th Miss Universe pageant is being staged in the southern Israeli resort city of Eilat on December 12. (Photo by Andreea Alexandru/AP Photo)

A man bundled up for the cold weather carries a dog in his jacket while walking along the waterfront in New Westminster, British Columbia, Tuesday, December 28, 2021. Environment Canada has issued an arctic outflow warning for Metro Vancouver and the south coast with well below normal temperatures forecast for the region. (Photo by Darryl Dyck/The Canadian Press via AP Photo)

A cat sits underneath lanterns displayed at Tai O fishing village on September 07, 2022 in Hong Kong, China. Hong Kong prepares ahead to celebrate the mid-autumn festival which is an occasion for a children's night out and family gathering with the customs of moon contemplating, a procession of star and moon-shaped lanterns, lion dance, as well as holding parties with moon cakes and fruits. (Photo by Anthony Kwan/Getty Images)

Two couples prepare to pose for their wedding pictures outside the Forbidden City in Beijing on October 31, 2022. (Photo by Wang Zhao/AFP Photo)

Beautiful, strange and occasionally alarming pictures from the shortlist for this year’s Wellcome image awards – which celebrate the very best in science photography and imaging – from an x-ray of a bat to a micrograph of a kidney stone. The exhibition opens on 12 March at three science centres and the Museum of Science and Industry in Manchester. Photo: Scanning electron micrograph (SEM) of an Arabidopsis thaliana flower, also commonly known as thale cress. Some of the anthers are open, revealing pollen grains ready for dispersal. Arabidopsis was the first plant to have its entire genome sequenced and is widely used as a model organism in molecular and plant biology. Horizontal width of image is 1200 microns. Magnification 100x. (Photo by Stefan Eberhard/Wellcome Images)

A woman smokes marijuana during the annual 4/20 marijuana rally on Parliament Hill in Ottawa, Ontario, Canada, April 20, 2017. (Photo by Chris Wattie/Reuters)

A man wearing a face mask to help protect from the coronavirus carries a bag of groceries as he walks by a mural depicting an iconic financial market bull statue near the central business district, Monday, April 18, 2022, in Beijing. (Photo by Andy Wong/AP Photo)