High in the Himalayas, cutthroat competition is squeezing the Tibetans who scour the hills several weeks a year for a prized delicacy.
Related stories
A Romani artist in Hungary reclaims his identity
Mosque and homes damaged in Saudi Arabia after alleged Houthi strike
Robert Jenrick faces questions after Reform nets £72m in donations in just 24 hours - UK politics live
One dead, 102 rescued from Indonesian ferry that went missing in Java Sea
Police say more arrests coming in case of Mississippi woman found dead hanging from tree
Giotto's famed fresco cycle depicting St. Francis of Assisi restored in Florence