Stone Piles and Buddhism/Spirituality?

In "spiritual" places it is not uncommon to see piles of stones that go from large round stones on the bottom to small stones on top (intentionally setup, somewhat like a pagoda). I saw of number of them throughout Tibet when I was there and was wondering what they signify or the history behind them? Is there a... show more In "spiritual" places it is not uncommon to see piles of stones that go from large round stones on the bottom to small stones on top (intentionally setup, somewhat like a pagoda). I saw of number of them throughout Tibet when I was there and was wondering what they signify or the history behind them? Is there a name for them? Do they come from a certain spiritual tradition? You seem them in lots of places around the world.

Thanks!
2 answers 2