Mandala
Mandala – is a spiritual and ritual symbol in Hinduism and Budhism, representing the universe. In common use, “mandala” has become a generic term for any diagram, chart or geometric pattern that represents the cosmos metaphysically or symbolically; a microcosm of the universe.
In the picture : Chenrezig sand manadala created at the House of Commons of UK on on the occasion of the Dalai Lama’s visit in May 2008