比塞尔是西撒哈拉沙漠中的一颗明珠,每年有数以万计的旅游者来到这儿。可是在肯·莱文发现它之前,这里还是一个封闭而落后的地方。这儿的人没有一个走出过大漠,据说不是他们不愿离开这块贫瘠的土地,而是尝试过很多次都没有走出去。肯·莱文当然不相信这种说法。他用手语向这儿的人问原因,结果每个人的回答都一样:从这儿无论向哪个方向走,最后都还是转回出发的地方。为了证 Bissell is a pearl in the Western Sahara Desert, where tens of thousands of tourists come to each year. But before Ken Levin found it, it was still a closed, laggard place. None of the people here walked out of the desert, not because they said they did not want to leave this barren land but tried many times without going out. Ken Levin certainly does not believe this. He asks the reason here in sign language, and as a result, everyone answers the same: no matter from which direction you go from here, the final turn back to the starting place. In order to prove