He Jianghua and Liu Libin authoritative experts tell us: Zhangjiajie air so well, not only can be made into canned food sales, but also to carry out forest bath, forest resort and other leisure travel.
Negative oxygen ions in the air to more than 1000 per cubic centimeter, there are health effects on the human body;
Negative oxygen ions in the air to reach 10,000 or more per cubic centimeter, we can treat the disease aspects of human metabolism;
Authoritative experts Conclusion: Zhangjiajie per cubic centimeter of air, the negative oxygen ions up to 100,000 or more.
Jin Bianxi - negative oxygen ions per cubic centimeter 110,000
Shilihualang - negative oxygen ions per cubic centimeter 100,000
Tianzishan - negative oxygen ions per cubic centimeter 90000
Baofeng - negative oxygen ions per cubic centimeter 110,000
Tianmenshan - negative oxygen ions per cubic centimeter 90000
Air Box may be mass-produced
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