第二章：瓦屋村人文地理背景的介绍。
Chapter II: the introduction of Wawu village about the background of humanity and geography.
他的科学背景是一个地理学家汉学家和民族学家。
His scientific background is that of a geographer Sinologist und ethnologist.
他的科学背景是一个地理学家汉学家和民族学家。
His scientific background is that of a geographer Sinologist und ethnologist.
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