A：这也许是因为汉民族的发源地是黄土高原，这个地域满目黄土之色。

A: Maybe because the Hans originated in the yellow River Plateau, a region where yellow was the prevailing color.

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但一位福建的土楼学家黄汉民告诉我们土楼还存在很多谜团，包括其数量。

But Huang Hanmin, a scholar of the tulou who lives in Fujian, said there were many myths about the tulou, including the number. He said his research showed there were only 3,000 tulou in the province.

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学者黄汉民则有不同的看法：“他们保护的仅仅是建筑本身，但是人都走光了，”他说。

Mr. Huang, the scholar, had a different take: “What they’ve preserved is just the structure, but the people have all moved out, ” he said.

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