"attended all four days of prayer at the Towers of Silence"

Towers of Silence
GNU Free Documentation LicenseTowers of Silence - Credit: Maziart, Wikimedia
Followers of the Parsi religion believe that the dead body is unclean and so should not pollute the earth. They construct funeral towers where corpses are left until vultures have consumed all the flesh. The bones are then dropped into the ossuary pit in the centre of the tower.