The Anomalists on Instagram: "They never told you how to build an island from scratch. It's a feat that requires precision, patience, and a ton of materials. Man-made islands are created by building up land in a body of water through land reclamation. This process involves dumping sand, rocks, or other materials onto the seabed to form a solid foundation. Dredgers collect sand from the ocean floor and transport it to the site, where it's shaped and compacted to create land above water. Sea walls