攀越白雪皑皑的喜马拉雅山或在湍流上泛舟,对多数人来说,可能不是一种轻松愉快的休假方式,但这种被称为冒险的旅行却吸引着越来越多的美国人。探险旅行并非新近出现的。早在本世纪初,移居美国的英国人就常到东非原始森林里游猎,作为消 Climbing the snow-capped Himalayas or rafting on turbulence may not be a relaxing holiday for most people, but this adventurous journey draws more and more Americans. Adventure travel is not new. As early as the beginning of this century, the British who immigrated to the United States often went hunting in the primitive forests of East Africa,