Wuyishan is located in Fujian, China. It is about a 3-hour train ride from Shanghai and is one of three UNESCO World Heritage sites (culture, nature, and Wuyi cliff tea). The negative oxygen ion concentration in the air is over 20,000 per cubic centimeter. As one of the five-star National Forest Parks, Wuyi Mountain's forest cover rate is up to 95.8%. Its biodiversity is also a treasure of humanity. Historically, Wuyi Mountain has been a sacred place for Daoism, Confucianism, and Buddhism.