A massive jungle ancient perimeter:...

A massive jungle ancient perimeter: a 512×512 or 1000×1000 carved crater dug to bedrock, with mossy cliffs, hanging vines, waterfalls, hidden caves, spawn-proof slabs/carpets/leaves, and an ancient mega base suspended in the center. The base is a ruined jungle temple-city with giant roots, broken towers, overgrown bridges, farms, storage, portals, and beacon shrines. Diverse palette: mossy stone, cobble, tuff, andesite, mud bricks, jungle wood, mangrove, bamboo, leaves, vines, glow berries, copper, prismarine, terracotta, sandstone, deepslate, basalt, glass, carpets, buttons, lanterns, candles, amethyst, gold, and hidden lighting.