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):

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):

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

http://www.cuatro.com/cuarto-milenio/programas/temporada-08/t08xp44/legado-celta_2_1642230139.html