One of them, the Xishuang Lou (), located in Xi'an Village a few kilometers north of Xiazhai town center, has been described by some researchers as the "largest of the rectangular [tulou] in existence".
One of the [tulou] structures, specifically the Xishuang Lou, located in Xi'an Village a few kilometers north of Xiazhai town center, has been described as the "largest of the rectangular [tulou]".