Nanjing Tulou is famous for its long history, large number, large scale, strange shape and unique style, and is known as "mythical mountain architecture", so Nanjing Tulou is good.
As a typical Hakka building, Nanjing Tulou is also a symbol of Hakka unity and forge ahead. Fujian tulou came into being in Song Dynasty, matured gradually in Ming and Qing Dynasties, and continues to this day.