The most important one in the earthen earth building group, this is the real earthen earth building king. There are two circles inside and outside, the design is unique, the inner circle is the kitchen design, the outer circle can live from the first floor, this is the only earthen building that is so scientifically designed, generally the first floor is the kitchen; Moreover, the entire Tulou is divided into separate small courtyards, and there is a hidden corridor on the top floor, which can be used as both a doorway and a wartime defense place. The preparation function of this building is very strong, you can look for it carefully.