Teeming with images of spectacular underwater scenes from around the world, Call of the Blue is the culmination of a five-year project by the photographer and ocean conservationist Philip Hamilton. This groundbreaking book includes contributions from acclaimed scientists and ocean “guardians”, who reveal what drove them to answer the call of the blue. (Photo by Philip Hamilton/The Guardian)
Prince Philip, Duke of Edinburgh practicing his bicycle polo technique, Windsor Great Park, Berkshire, 1964. (Photo by Norman Potter/Daily Express/Hulton Archive/Getty Images)
This picture taken on April 5, 2022 shows a train travelling along a bridge past cherry blossoms in Tokyo's Shinagawa district. (Photo by Philip Fong/AFP Photo)
A woman takes pictures with the Kawazu cherry blossom trees, one of the earliest blooming cherry blossoms in Japan, in Tokyo's Sumida district on March 11, 2024. (Photo by Philip Fong/AFP Photo)