The Mentogou – A revolutionary and out-of-this-world Gemstone Eco Valley in China The “Mentogou” is definitely something you have never seen in your life, and it is simply breath-taking. Located right in the Miaofeng mountainous area, and some 30km west of Beijing. The Mentogou has been slated to be regarded as the new Chinese Ecological Silicon valley . The close proximity of this valley to the heart of Beijing city even makes it closer to the Chinese people who hve seen Beijing as one of the cities with the most…