The coastline of Okinawa, fringed by finger-like projections of coral reef. Along the coast, hotels, roads, and farmland show the presence of human activity. Date: 09 October 2026 Credit: Yoko Shintani Copyright OIST (Okinawa Institute of Science and Technology Graduate University, 沖縄科学技術大学院大学). Creative Commons Attribution 4.0 International License (CC BY 4.0). Download full-resolution image Share on: