The perilous search for 'Himalayan Viagra'

More valuable than gold, Yarsagumba fungus is only found in the Himalayan mountains above 3,000 metres (10,000 feet).

Every spring people come from miles around to search for the precious crop, which sells for more than $100 a gram across Asia and the US.

Producer Aamir Peerzada.

Shoot/edit Neha Sharma