Snorkellers approach an adult manatee at Three Sisters Spring, Crystal River, Florida. You might imagine that coming face to face with one of these enormous underwater mammals would cause some concern. However, the likelihood is that the rotund creature just wants you to scratch its belly while it floats around happily, as world-renowned underwater photographer Alex Mustard discovered. (Photo by Alexander Mustard/Barcroft Media)

South Korean divers prepare to plunge through a hole in the ice of the frozen Imjin River on January 16, 2005 in Yeonchun, South Korea. (Photo by Chung Sung-Jun/Getty Images)

PALEMBANG, SUMATRA, INDONESIA - NOVEMBER 14: Fitriyani Fitriyani (L) of Indonesia and Janice Ng (R) of Singapore compete in the Sport Climbing Womens Speed Track Finals on day four of the 2011 Southeast Asian Games at Jakabaring Sports Complex on November 14, 2011 in Palembang, Sumatra, Indonesia. (Photo by Matt King/Getty Images)

Participants take part in a high-wheel bicycle race in the Frederick county, in Maryland, United States on July 15, 2023. (Photo by Celal Gunes/Anadolu Agency via Getty Images)

Lieke Martens of Netherlands is tackled by Andi Sullivan of USA during the FIFA Women's World Cup Australia & New Zealand 2023 Group E match between USA and Netherlands at Wellington Regional Stadium on July 27, 2023 in Wellington / Te Whanganui-a-Tara, New Zealand. (Photo by Amanda Perobelli/Reuters)

An England fan during a screening of the FIFA Women's World Cup 2023 semi-final between Australia and England at BOXPARK Wembley, London on Wednesday, August 16, 2023. (Photo by Victoria Jones/PA Images via Getty Images)

The picture dated July 8, 2023 shows the Typhoon performing at the RAF Waddington Families Day in Lincolnshire, UK. A number of iconic planes took to the skies in the action-packed day for service personnel and their friends and families. (Photo by Claire Hartley/Bav Media)

Mary Earps of England saves a penalty taken by Jennifer Hermoso of Spain (not pictured) during the FIFA Women's World Cup Australia & New Zealand 2023 Final match between Spain and England at Stadium Australia on August 20, 2023 in Sydney, Australia. (Photo by Brendon Thorne/Getty Images)