Yongding Tulou, also known as earth buildings, are among the most quintessential examples in Fujian Province, southeastern China. These splendid and unique ancient Chinese structures possess a profound historical heritage. They stand not only as a unique cultural emblem of the Hakka ethnic group but have also been inscribed as a UNESCO World Heritage Site since 2008. These remarkable architectural wonders served as the crucial filming prototype for the renowned Chinese animated feature "Big Fish & Begonia."