Bhutan is a unique kingdom in the world. One of its peculiarities is to have established gross national happiness in its constitution. A scale to measure the level of happiness of its inhabitants. To contribute to this, the country lives in retreat from globalization and the population is very supervised, television only appeared in the 2000s and it is the first country in the world to have banned the sale of cigarettes. But are its 750,000 inhabitants really happy? Nestled at the foot of the Himalayas, Bhutan is crisscrossed most of the time by trails clinging to the top of vertiginous mountains. During the monsoon, travelers juggle with mud and landslides, traffic is often blocked for several days. To remedy this, the government called on the Dankas, workers from India who live in more than precarious conditions, without any protection they widen with explosives and asphalt the roads at an altitude of more than 3000 meters. And there is work, until 1961 there were almost no paved roads, today Bhutan is trying to create a road network to open up the country.