露营者和游艇拥有者不会像呆在大旅馆的旅游者那样花这么多的钱用于观光和购买礼品，但是它们也是旅游业的重要组成部分。
Campers and boat owners may not spend as much money on sightseeing or buying gifts as those tourists who stay at large hotels, but they are also a valuable part of the tourism business.
参与目的主要是休息放松、 健身、旅游观光和消遣娱乐。
The main aims to have the outdoor sports are relax, health , sightseeing, entertainment.
峡谷景观具有美学特征，也具有观光和科学文化旅游价值。
There are aesthetics characteristics of canyons landscape, and the values of sightseeing, science and culture tourism.
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