Prayer stones| Mani stones |Kaza | Lahaul-Spiti | Himachal Pradesh

Prayer stones or Mani stones are stone plates, rocks or pebbles inscribed with the six-syllabled mantra of Avalokiteshvara, as a form of prayer in Tibetan Buddhism. The term mani stone may also be used to refer to stones on which any mantra or devotional designs are inscribed or painted.
"Om Mani Padme Hum"