Mustang (2001)

Mustang, a kingdom whose existence has long been kept secret, on the territoryof Nepal in the fabled land of Lo. It is hidden behind the high wall of the Himalayas, like a wedge driven into Tibet. The afternoon wind blows every day, tirelessly obliterating all trace of every caravan. In front of the royal palacemonks intone ancient Buddhist prayers over and over again. Time seems to have stopped in this medieval fortress. Electricity, roads and cars are unknown to these people and yet in some ways they are ahead of us. In their incredible knowledge of nature and in their way of life. The fortress of Lo Mantang, however, continues to guard its secrets

Unfortunately the movie Mustang is not yet available on HBO Max.