solarpunkai, green-powered, DonMASKTex, Led, advanced alien technology, alienarchitecture, an ancient city, at a huge valley, 3 layers city, middle of the city is a skyscraper surrounded by castle, behind the ocean, soothing scenery, spring season, flying ships, futuristic intricate mechanical details, ground level shot, 8K resolution, Cinema 4D, Behance HD, polished metal, Unreal Engine 5, re