Cave of San Jose outside of Valencia, Spain
Excursion boat poled downstream of "Europe's Longest Underground Navigable River."
Archaeological excavation unit approximately 100 meters from the entrance with a three smears of red ochre pigment on the vertical cave wall. Normal digital photography and dStretch filter ywe. The site is one of over 750 sites that form the UNESCO World Heritage Convention district entitled "Rock Art of the Mediterranean Basin on the Iberian Peninsula" which is monitored by the Council for Rock Art of the Mediterranean Basin created in 1998. The website for the cave notes that cave paintings belonging to the Upper Paleolithic have been found in several locations in the cave.