They are created by dredging sand onto coral reefs to create artificial islands, and then concreting it to make permanent structures, including "military-ready" installations such as airstrips and deep-water ports, including a 3,000 m runway on Fiery Cross Reef.
They are created by dredging sand onto coral reefs to create artificial islands, and then concreting it to make permanent structures, including "military-ready" installations such as airstrips and deep-water ports. This was including a 3,000 m runway on Fiery Cross Reef.