I visited Sichuan recently and was fortunate enough to spend a few days in a mountainous Tibetan region called Danba (丹巴), aka the Valley of Beauties (美人谷）. Good looking people of both sexes did appear at an unusual rate in this area. I think it has something to do with the clean water, clean air, abundant food resources, and generally positive outlook on life enjoyed by these people. But that’s just a gut feeling. I’m sure there are scientific and historical explanations.
I saw several different types of solar and wind power usage in Danba. The county seat, a typical (though relatively clean), uninteresting, modern little town with cars and paved roads, had some interesting light posts:
