Liben Building, constructed in 1822 AD, is located Xinnan Village, Hukeng Town, Yongding District, Longyan City, Fujian Province, China. This square earthen building covers an area of about 2100 metres. In 1931 the was sacked and burned down by bandits during a war, leaving behind only remnants walls main building. meta-universe environment, firstly, this study adopted blockchain DAO technology...