Hakka Tulou round earth buildings, Chengqilou, UNESCO World Heritage Site, Fujian Province, China, Asia

adult architecture asia background people building buildings chengqilou china circular color image culture day fujian province hakka tulou high angle view historical landmark leaving monastery one person outdoors people photography rooftop round earth tradition traditional travel travel destinations unesco world heritage site vertical walking walkway asian chinese color colour cultural custom daytime east asia far east going historical history landmark leave one outside roof stepping structure walk