The Yak graze and though not wild, they are not branded. To the Tibetans living here, the Yak are domesticated to live within the village. I watched these Yak for a few days.
The tradition and custom of the Sky Burial afforded Traditional Tibetan medicine and thangka iconography with a particular insight into the interior workings of the human body. Pieces of the human skeleton were employed in ritual tools such as the skullcup, thigh-bone trumpet, etc.
The 'symbolic bone ornaments' are also known as "mudra" or 'seals'. The Hevajra Tantra identifies the Symbolic Bone Ornaments with the Five Wisdoms .