In this March 22, 1975 file photo, a refugee clutches a baby as a government helicopter gunship carries them away near Tuy Hoa, Vietnam, 235 miles northeast of Saigon. They were among thousands fleeing from Communist advances. AP Photographer Nick Ut will be retiring from the AP in March 2017 after 51 years of taking photographs from the front lines of the Vietnam War to the red carpets of Hollywood. (Photo by Nick Ut/AP Photo)

Nick Bull captured the Geminid meteor shower above Stonehenge in Wiltshire, UK on December 14, 2023. (Photo by Nick Bull/Picture Eexclusive)

The contest began in 2007, and since then photographers from more than 70 countries have entered. Photo: Michael O'Neal of San Francisco won first place in the animals category in the 2014 iPhone Photography Awards. (Photo by Michael O'Neal)

“These incredible pictures capture the stunning moment waves roll on to a tropical beach. Photographers Nick Selway, 28, and pal CJ Kale, 35, position themselves in the magnificent Hawaiian water – and then wait for the waves to crash into their heads. Their only equipment are standard cameras – but a waterproof case means they do not need to sacrifice their cameras for their art”. (Photo by Nick Selway/CJ Kale)

Performers Roni, Liv and Becky behind the scenes at Great Yarmouth Hippodrome Circus, England. (Photo by Nick Warner/The Guardian)

Pictured is the sunset at Stonehenge in Wiltshire on Saturday night, September 24, 2022. (Photo by Nick Bull/pictureexclusive.com)

Naki'o, a mixed-breed dog with four prosthetic devices, goes for a run in Colorado Springs April 12, 2013. Naki'o lost all four feet to frostbite when he was abandoned as a puppy in a foreclosed home. (Photo by Rick Wilking/Reuters)