Since 2002 was designated as "international Ecological Tourist Year", the protection of natural and humanist environment has become an international topic.
2002年被世界旅游组织定为“国际生态旅游年”，自此，自然与人文生态环境的保护成为一个世界性的话题。
Since 2002 was designated as "international Ecological Tourist Year", the protection of natural and humanist environment has become an international topic.
2002年被世界旅游组织定为“国际生态旅游年”，自此，自然与人文生态环境的保护成为一个世界性的话题。
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