Tibetans and Beads

While reading about dZi, I came across these two pictures of Tibetans wearing great beads. I bet the gigantic beads in this first photo are coral, but I've never seen beads that big made out of anything before!

Kyipup, an offical, in New Year dress.
Lhasa: The Holy City by F. Spencer Chapman, 1938

This man is wearing dZi beads. He's at the palace of the Dalai Lama, celebrating the Dalai Lama's birthday: