Bhutan is one of the last countries in the world to introduce television to its people. The government lifted a ban on TV—and on the Internet—only 11 years ago. (http://worldwildlife.org/blogs/wwf-travel-blog/posts/ten-interesting-facts-about-bhutan)
According to science, people of the earth began in Africa, and the more people migrated around the world, the more physical changes would develop because of adaptations to certain areas. People who evolved in the same spot for a long time did not change much.