cave paintings of chiquita shelter. villuercas geopark, spain

cave paintings cueva chiquita rock art canamero extremadura caceres travel villuercasiboresjara geopark detail alvarez neolithic stone wall archaeological evidence site rockshelters schematic motifs rectangle divided three compartments prehistoric times primitive figures red pigment animal grease iron oxide ochre artistic expressions draw nature rocky outcrop gorge ruecas river quartzite strata destination geotourism mountainous rocks impressive mountain ranges attraction idyllic spot natural space