Underwater photographer of the year – winner. Dancing Octopus by Gabriel Barathieu (France). Location: Island of Mayotte, off the coast of south-east Africa. “Balletic and malevolent”, one judge said of this octopus, hunting in a lagoon. Barathieu waited until spring tides when there was just 30cm of water on the flats and plenty of light in the shallows. (Photo by Gabriel Barathieu/UPY2017)

View of a damaged bridge at the Iguacu Falls on June 12, 2014, in Foz do Iguacu, Brazil, following the overflowing of the Parana river. In neighbouring Paraguay flooding has forced the evacuation of about 150,000 people in Paraguay's capital city Asuncion, authorities said. (Photo by Norberto Duarte/AFP Photo)

A new book published by the UK Natural History Museum showcases some of the most memorable underwater photographs taken over the last few decades in its annual wildlife photographer of the year competition. Here: Giant gathering by Tony Wu. “The first indication that something extraordinary was going on were the blows, huge numbers of them – the exhalations of huge numbers of whales. Entering the water, the photographer witnessed an extraordinary scene”. (Photo by Tony Wu/Unforgettable Underwater Photography/NHM)

Adele Clark, aged 8, looks at an animatronic Gallimimus dinosaur at the Natural History Museum on April 20, 2011 in London, England. The Age of the Dinosaur is a summer exhibition combining animatronic models, fossils and CGI film footage. (Photo by Matthew Lloyd/Getty Images)

It's taken roughly five months, but a massive iceberg has separated from Antarctica's Pine Island Glacier. According to NASA's Earth Observatory, the estimated size of this iceberg, named B-31, is around 660 square kilometres (33 km long by 20 km wide) – a city-sized block of ice that has slowly migrated away from the continent, and is now floating out to sea. Take a look at some massive icebergs afloat in the oceans. Photo: File photo of an iceberg floating near a harbour in the town of Kulusuk, east Greenland August 1, 2009. (Photo by Bob Strong/Reuters)

Model Emily Ratajkowski attends the “Loveless (Nelyubov)” screening during the 70th annual Cannes Film Festival at Palais des Festivals on May 18, 2017 in Cannes, France. (Photo by Stephane Mahe/Reuters)

A bodybuilder applies tan on another participant during the Mr and Mrs East Africa Natural Body Building Contest at Rupaz Gym in Eldoret, western Kenya, on October 8, 2022. 168 bodybuilders from Rwanda, Uganda, Ethiopia, Tanzania and Kenia participate in this competition in Eldoret, a city known as “The City of Champions” for producing some of the best long distance runners in the world, that has not hosted a bodybuilding event since 2015. (Photo by Patrick Meinhardt/AFP Photo)

Hippo keeper Atthapon Nundee, 31, takes pictures of a two-month-old female pygmy hippo named “Moo Deng” who has recently become a viral internet sensation, at Khao Kheow Open Zoo in Chonburi province, Thailand, on September 16, 2024. (Photo by Athit Perawongmetha/Reuters)