- 問題詳情:LONDON(Reuters) Ecotourismiscausingalotofdamagetowildlifeandmaybeendangeringthesurvivaloftheveryanimalspeopleareflockingtosee,accordingtoresearchers.Biologistsandconservationists(環保者)areworriedbecausepolarbears,dolphins,penguinsandother...
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