A bit more info on Wikipedia https://en.wikipedia.org/wiki/Fujian_Tulou https://en.wikipedia.org/wiki/Fujian_Tulou One thing the author didn't mention is that

A bit more info on Wikipedia https://en.wikipedia.org/wiki/Fujian_Tulou https://en.wikipedia.org/wiki/Fujian_Tulou One thing the author didn't mention is that these are particular to the Hakka of that region. https://en.wikipedia.org/wiki/Hakka_people https://en.wikipedia.org/wiki/Hakka_people Who were ousted from their home province and settled elsewhere but kept their dialect and customs. Hakka, written 客家 means "guest family."