Here’s an Irish folk song for St. Patrick’s Day. I love how this video ties together the old and new. Six young musicians singing an old song, in the ruins of a much older castle, with a drone flying around filming them.
On a much bigger scale, these guys’ ancestors might’ve lived there for 10,000 years. The Celts are the indigenous people of Ireland and the British Isles.
Do you notice the similarities in the shapes of their foreheads, eyebrows, noses, chins, jaws, and cheeks? In America six guys who looked that similar to each other would look like brothers. In Ireland they just look Irish. That’s genetic drift. If everyone’s ancestors live on the same island for thousands of years, some new characteristics appear in the gene pool at random and eventually become common among the group.