Cairns - or balanced rock towers - are a cool find! Some are obviously man-made and some are nature's beautiful work. When I was introduced to balancing rocks, I learned that it's a meditative practice.
Finding round rocks and getting them to balance themselves on each other in a tower can seem impossible, but with enough patience and awareness, it can be done!
What ways do you meditate? Do you walk a labyrinth? Use prayer beads?