This picture taken on July 9, 2026 shows Timothy Ravasi, professor in the marine climate change unit at Okinawa Institute of Science and Technology, speaking during an interview with AFP in Onna village, Okinawa Prefecture. From "heatwave simulators" to ecological bootcamps, scientists and conservationists are trying ways to revive and reinforce Okinawa's famous coral reefs two summers after climate-driven bleaching decimated the teeming undersea ecosystems. (Photo by Philip FONG / AFP via Getty Images) / TO GO WITH AFP STORY: Japan-climate-coral-tourism-oceans, FEATURE by Tomohiro OSAKI