天葬

noun

sky burial; celestial burial (funeral practice where the deceased's body is placed on a mountaintop to be consumed by vultures and other birds)

Primarily associated with Tibetan Buddhism and Tibetan culture, though also practiced by some other ethnic groups in Central Asia and the Himalayas. The practice embodies the Buddhist virtue of generosity (giving one's last remains to other living beings) and the concept of returning to nature.