Kalachakra Mandala is a Sanskrit word for “wheel of time”.
The mandala of kalachakra is aerial view of the kalachakra temple, situated in Lhasa and contains 722 Deities, and at its heart on a Lotus flower, a single Buddha: Kalachakra.
It is a 5 level structure, each level is represented by a square, and each square is set within the others. In mandala there are six circles of elements: wisdom, space, wind, fire, water and earth. Then we get to different entrance of the body, speech and mind.