The fourth annual BigPicture Natural World Photography Competition aims to celebrate the diversity of life on Earth, and encourages people to protect and conserve it. Here: “The Salmon Catchers”. Terrestrial Wildlife. To capture this view of a mother grizzly bear and her cub, photographer Peter Mather set up a camera trap on a log that he knew the bears tended to traverse while fishing for salmon, in the Yukon River watershed in Canada. (Photo by Peter Mather/BigPicture Natural World Photography Competition 2017)

American actress and social media personality Madelaine Petsch in the last decade of April 2024 has the “best night” of her life at an ABBA performance. (Photo by madelame/Instagram)

A pitch invader is seen on the pitch during the UEFA Euro 2020 Championship Group B match between Finland and Belgium at Saint Petersburg Stadium on June 21, 2021 in Saint Petersburg, Russia. (Photo by Kirill Kudryavtsev/Reuters)

A Just Stop Oil demonstrator throws orange confetti on court 18 as he disrupts the women's singles tennis match between Australia's Daria Saville and Britain's Katie Boulter on the third day of the 2023 Wimbledon Championships at The All England Tennis Club in Wimbledon, southwest London, on July 5, 2023. (Photo by Glyn Kirk/AFP Photo)

A Hindu holy man shouts religious slogans during a procession to mark 'Krishna Janmashtami' in Srinagar, Indian controlled Kashmir, Friday, August 19, 2022. Krishna Janmashtami marks the birth of Hindu god Krishna. (Photo by Mukhtar Khan/AP Photo)

Adventurer Sam Cossman movies towards the huge lava lake wearing a custom built industrial proximity heat suit on December 20, 2014 in Ambrym, Vanuatu. (Photo by Conor Toumarkine/Barcroft Media)

A passenger aircraft passes over a residential house as it prepares to land at London Heathrow Airport in west London on October 17, 2016. Britain's government is considering whether to approve a third runway at Heathrow or expand air capacity in southeast England at another airport such as London Gatwick. (Photo by Daniel Leal-Olivas/AFP Photo)

A blooming cherry tree is seen along the Tidal Basin on Sunday March 20, 2022 in Washington, DC. As Covid-19 precautions begin to lift around the country large crowds are able to once again descend upon the region for the blossoming cherry trees. (Photo by Matt McClain/The Washington Post)