The environment of air in Menshan mountain is fresh and clean due to large amount of negative ion of oxygen in the air which the content reach about 2.2million per cu.cm, 4400 times of common air.

 
  • 蒙山大氣環(huán)境清新宜人,每立方厘米空氣中負氧離子含量高達220萬(wàn)個(gè),是空氣中負氧離子的4400倍,被喻為“天然氧吧、養生圣地、長(cháng)壽搖籃”。
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