Every spring, tens of thousands of men, women and children leave their villages for a dangerous trek to the high Himalaya to collect Yarsagumbu, a mysterious transmutation between plant and insect. Used in Chinese medicine, it is worth up to 60 000 USD a kilo, more than gold.

Cast:Andrew Ng, Dhan Shandra, Jacques Gamblin,

Genre:Documentary,

country:France,

Production:Kwanza,