探索穿越魔境与城市的神秘门户

城市间魔幻门户Realms World Kingdoms，Circular Portal，Ring Standing on Edge，UpNet Ring，Unconnected Ring，Ring by itself，Independent Ring，Ring Touching Ground，象形文字on Ring，Complete Ring，Ancient Roman Architecture，Turned Sideway，Futuristic Cyberpunk Tech-noir setting，hotels，office buildings，shopping malls，large wide-open