underground waterworks with natural skylights, sunrays shining through heavy fog, treehouse with winding staircases and connecting bridges on cliff from cavern wall, bridge in foreground, overgrown with flowers and greenery, hanging moss and vines, tall gothic spire with stairs all around rising from the basin, bonsai trees grown throught
天然天窗的地下自来水厂,浓雾中透着阳光,洞壁悬崖峭壁上有蜿蜒楼梯和连桥的树屋,前桥,花草绿树丛生,悬着青苔和藤蔓,盆地里高耸的哥特式尖顶,四周有楼梯,盆景树木长满