Gợi ý:

There are many causes of damage to the man-made wonders of Viet Nam. Firstly, there are too many tourists visiting man-made wonders everyday. Not all of them are aware of protecting the wonders, so the more tourists come, the easier man-made wonders become worse. Secondly, many buildings have been built around those wonders. Modern hotels, resorts and factories have appeared with a high speed destroyed the landscape surrounding the destinations. In any types or forms, damage have to be avoided or reduced at all cost in order to maintain the world's wonders.

Dịch:

There are many causes of damage to the man-made wonders of Vietnam. First, there are too many tourists visiting man-made wonders everyday. Not all of them are aware of protecting the wonders, so the more tourists come, the easier man-made wonders become worse. Secondly, many buildings have been built around those wonders. Modern hotels, resorts and factories have appeared with a high speed destroyed the landscape surrounding the destinations. In any types or forms, damage have to be or reduced at all cost in order to maintain the world's wonders.