World EXPO 2010 Shanghai China, Zhangjiajie Mayor Zhao Xiaoming so strongly recommend "Zhangjiajie air" by the World EXPO visitors and passionate than the news media attention, "Zhangjiajie air" into a beautiful scenery of the EXPO.China's most creative city marketing: Zhangjiajie is a scenic city breathe deeply.
The air in zhangjiajie is so fresh that it worth 5 dollars for each breath.
--Former Colorado governor Nancy Dick
The most importance of zhangjiajie is its unique fresh air in china.
--Famous scholar and geologist Simon. Winchester