Located in Guanxi Town, Longnan County (Jiangxi), Guanxi Xinwei is a massive Hakka Walled Enclosure (Weiwu). It is often called the "Oriental Ancient Roman Castle" or the "Forbidden City of the Countryside.” It was not too crowded when I visited, and buying the ticket on Trip cost less than the official website, surprisingly. Do bring some sunscreen and a good camera to take photos. I learnt so much about the history of these houses and also about Hakka culture.