Interestingly, lingas are found all over the world. In Africa, there are terra-cotta lingas, largely used for occult purposes. In Delphi, Greece, there is a linga below the ground, known as the “navel of the earth.” This is purely a manipura linga, meant to promote prosperity and material well-being. When someone showed me a picture of it, I immediately knew what type of people had consecrated this. It was definitely done by Indian yogis thousands of years ago; there is no doubt about that.