对外文化交流影响深远。
International cultural exchanges have made far-reaching impacts.
通过文化交流，不同的文化可以相互学习，相互影响。
Through culture exchange, different cultures can absorb and influence each other.
在文化交流方面，控制游客数为少量是必要的，如果交流互动是自然的，这意味着对于游客的接近，当地主人能保持低调谦逊并不受其影响。
For Cultural exchange it is necessary that the tourist number is low and that the interaction is natural meaning the hosting locals are unaffected or unpretentious in their approach.
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