Unwilling to be caught up in the ancient astronaut craze , anthropologists have suggested that the tassili " roundheads " are merely ceremonial dancers or priests wearing empty gourds over their heads 由于不愿意染上古代宇航员的狂热，人类学家暗示泰斯利的“圆头人”仅仅是仪式上的舞蹈，或者是祭司把空葫芦戴在头上。
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The problem with this rational approach is that the agricultural know - how and resources to grow pumpkins were nonexistent in north africa at the time the tassili drawings were created , and would probably not have been available for another thousand years 这个问题的合理性答案也涉及到农业实际知识? ?如何种植当时的北非所没有的南瓜，在其余的数千年也不可能。
