![Green turtles take special care of their carapace, scraping algae off on rocks or letting cleaner fish remove parasites. Thanks to long-term protection of nesting sites, and measures to reduce the numbers caught in fishing gear, some green turtle populations are starting to recover. (Photo by Philip Hamilton/The Guardian)](https://pix.avax.news/avaxnews/d5/0e/00050ed5_medium.jpeg)
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)
23 Nov 2018 00:03:00,post received
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