dr. lu zhi is a conservation biologist at peking university.she's been working with tibetans in this area for many years. translator: during the 1990s, when i went to the tibetan area for the first time, i saw something g that really surprised me. there e was a lot of loggiging going on, but in some areas, the wiwild animals were not afraid of people. and there were verery old trees, 600 oror 700 years old. the ancient forerest was preserved. i asked ththe local people how is this possiblele? people said d this is our sacred mountain. this was a big shock to me. just the concept of sacred moununtain was g good enough to preserve the resources. it's more powerful than the law or the preaching of scientists. todaday the system is still functioning. in the core area, nothing should be touched. then in a broader area, killing g is not allowed. no liviving beings should be harmed. we d d a survey y on birds, and we discovered that wherever the belief in sacred mountains is strong, there is greater biodiversity. so this shshows scientificalally the e