There are those who say that the garden of God must have been in the Holy Land and that the original river that flowed into the garden before it split into four separate rivers must have been the Jordan, which was longer in the days of Genesis. The Gihon would be the Nile, and Havilah would be the Arabian Peninsula. Some supporters of this theory go further, stating that Mt Moriah in Jerusalem was the heart of the Garden of Eden and that the entire garden included all of Jerusalem, Bethlehem and Mt Olivet.