A Nihang or Sikh warrior performs “Gatka”, an ancient form of Sikh martial arts, during a religious procession on the eve of the birth anniversary of the ninth Sikh Guru Tegh Bahadur outside the Golden Temple in Amritsar on April 17, 2025. (Photo by Narinder Nanu/AFP Photo)

A soldier makes a “heart hands” gesture from inside a tank during the parade in Washington on June 14, 2025. (Photo by Kevin Mohatt/Reuters)

American actress Sydney Sweeney rolls around in the grass during a photoshoot early July 2025. (Photo by sydney_sweeney/Instagram)

A pupil arrives on the first day of school at Yas American Academy in Abu Dhabi in the last decade of August 2025. (Photo by Victor Besa/The National)

An England fan poses for a photo outside the stadium before their international friendly match against Bosnia and Herzegovina in Newcastle, Britain on June 3, 2024. (Photo by Lee Smith/Action Images via Reuters)

Competitors warms up ahead of taking the stage during the Arnold Classic Europe bodybuilding event in Las Rozas, Spain on October 12, 2024. (Photo by Isabel Infantes/Reuters)

In this July 25, 2015 photo, youth eat a cooked pig's head as they wait for the start of carnival in Santiago, Cuba. (Photo by Ramon Espinosa/AP 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)