The Namib Desert is home to the world's biggest migrating dunes, which reach heights of nearly a thousand feet.

纳米布沙漠是世界最大的移动沙丘所在地，高近千英尺。

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These dunes are similar in form, size and cause (the blowing of the wind) to those found in the Namib desert on Earth.

这些沙丘在形状、大小和成因(风吹所致)上，和地球上的Namib沙漠上的沙丘相似。

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Alone in a vast expanse of sand, a man treks across giant dunes in Namibia's Namib Desert.

孤单地处于一片广阔的沙漠中，一个男人艰苦跋涉着穿过纳米比亚的纳米比沙漠中巨大的沙丘。

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