underwater ruin 3d model

Create a 3d model, rough render, of a massive water basin measuring 50m x 40m (circular shape, like a big tropical lake/lagune with a depth of 8–10m. The environment should resemble an underwater world with a lot of rocks, some architecture sunken elements (like old atlantide), featuring large rock formations, submerged ruins, broken pillars, and scattered relics. The basin walls must include integrated panoramic underwater windows offering clear views into the aquatic scene, surrounded by rocks. Emphasize scale, depth, and a mysterious ancient atmosphere.