Swadhisthana chakra is shown as having six petals, bearing the Sanskrit letters ba, bha, ma, ya, ra, and la. The seed sound in the centre is vam. The tattwa for the element of Water is shown as a silver crescent.
Thierry Cohen made these by combining the daylight pics of the cities and the pristine skyline of the desert at the same latitude, direction, and angle. He wants to show what city dwellers would see without all the light pollution