This is not a unified practice, however, as in Tibet for instance the body is given a sky burial and left on a mountain top.
From the en.wikipedia.org
The narrator's hunt for enlightenment has already ended, and the traditional Buddhist sky burial of a young woman beaten to death by an abusive father is little more than an exotic photo-op.
From the time.com
General plan of the early Celtic burial mound with sky constellations.
From the sciencedaily.com
If you walked out of the hangar-like building and turned left, went up a path past a wide grassy area with a canyon below and miles of sky above, you would reach my father's burial site.
From the time.com
They prayed and sang under a limestone sky, as a young laborer, late of Duffy's Cut, received his delayed but proper burial.
From the nytimes.com
One lightning bolt was all it took to transform Jamison's burial ground for dead treads into a conflagration that spewed a plume of black smoke 9,000 feet into the Rocky Mountain sky.
From the time.com
One of the narrow shafts that extends from the main burial chamber through the entire body of the Great Pyramid points directly towards the center of this part of the sky.
From the en.wikipedia.org
Following the burial, Eaton, not a particularly religious man, recalled seeing a perfect cross formed by cirrus cloud in an otherwise clear blue sky above the Kookaburra.