A person waving the rainbow flag runs on the pitch as the players line up for the national anthems the UEFA EURO 2020 Group F football match between Germany and Hungary at the Allianz Arena in Munich on June 23, 2021. (Photo by Alexander Hassenstein/Pool via AFP Photo)

A woman walks past posters bearing the letter “Z” in the colours of the ribbon of Saint George, which has become a symbol of support for Russian military action in Ukraine, and reading “We are proud of Russia! We are not ashamed!” at a bus stop on Nevsky Prospekt in central Saint Petersburg on March 15, 2022. (Photo by AFP Photo/Stringer)

A protester pours Coca-Cola on the face of a comrade to diminish the effects of tear gas during a crackdown by security forces on a demonstration against the military coup in Yangon's Thaketa township on March 19, 2021. (Photo by AFP Photo/Stringer)

A classic American car is wrapped in plastic to prevent sea salt from corroding it in Havana, Cuba, Tuesday, March 2, 2021. Vintage cars in Cuba are part of daily life with most classic cars being used as taxis and to transport tourists. (Photo by Ramon Espinosa/AP Photo)

An Iraqi youth shows-off his balancing skills as he performs stunts on a motorbike, on the bank of the Shatt Al-Arab river at sunset, in the southern Iraqi city of Basra, on March 17, 2021. (Photo by Hussein Faleh/AFP Photo)

A six-day-old hippopotamus is pictured next to his mother, Kara, aged 21, on September 12, 2012 at “Planet sauvage” (“Wild planet”) Zoo in Port-Saint-Pere, western France. The birth, a rare event for this species in captivity, occured on September 7, 2012 in the Zoo. (Photo by Frank Perry/AFP Photo)

“Photographer Seth Casteel has definitely taken animal photography to new heights – or depths – with his hilarious photos of dogs chasing balls underwater. Casteel, who, naturally, has two dogs of his own (a mini Labradoodle and a Norwich terrier), said that he's drawn to underwater dog photography because the photos show a side of dogs that people may have never seen before”.

Photo: Seth Casteel Underwater Dog Pictures (Photo by Seth Casteel)