Obermier, who discovered and preserved this site did fantastic work at the the cave of Altamira in the 1920's. He deserves more credit. His work at the Dolmen o

Obermier, who discovered and preserved this site did fantastic work at the the cave of Altamira in the 1920's. He deserves more credit. His work at the Dolmen of Guadalperal wasn't even known about until 40 years later.