There are other Y-chromosome stories similar to this in that the Jewish men (like other men) often went out on their own and settled down with indigenous women. When maternal DNA from mitochondria are looked at in Jews, many of the European Jews have non-Jewish origins.
Here’s a link to a picture of the “ngoma lungundu”:
http://news.bbc.co.uk/2/hi/africa/8522097.stm
“On each corner there is the remnants of a wooden ring, and obviously at one point, it was carried by inserting poles through these two rings on either side,” he said.
“Of course in the biblical account, that’s precisely how the Ark of the Covenant was carried across the wilderness.”