I found an interesting comparison of ancient dwellings of Galicia, Spain with current dwellings of the indigenous Huichols of Jalisco (Nuevo Galicia original name of Jalisco, Mexico):

http://imageshack.us/a/img31/2361/c8hc.jpg

And a documentary video about the original peoples in ancient Galicia, Spain:

http://www.cuatro.com/cuarto-milenio/programas/temporada-08/t08xp44/leg…