Looks at the work of Earthwatch, and some of the many people who spend their holidays contributing to learning about the planet by helping on prehistoric digs, recording fish noises, tracking rodents, measuring grass an leaves and counting insects in places all over the world, often suffering much discomfort and boredom.
회원들이 생각을 공유하면 여기에 리뷰가 표시됩니다.
아직 음악이 없습니다
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