A study claims that paleolithic artists visited cave system to deprive themselves of oxygen and experience hallucinations.

Source: Study Suggests Ancient Cave Painters Deprived Themselves Of Oxygen To Get Hallucinatory Visions

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Photo: Olive Press

Access to Palaeolithic paintings in Cantabria to be auctioned off to highest bidder…

Source: Battle erupts over ‘elitist’ UNESCO World Heritage cave art plans – Olive Press News Spain

Photo: Pedro A Saura

Spain’s Culture Ministry has been handed conflicting reports on preserving the Unesco site…

Source: Are visitors, or Mother Nature, damaging Altamira’s cave paintings?

Photo: Pedro A Saura

A daily lottery allows a handful of people into reopened Altamira cave complex…

Source: “You have to see this before you die”

Photo: Europa Press

Team of scientists dates wall art at 39,000 years old…

Source: Altxerri cave paintings confirmed as oldest known in Europe

Photo: Pedro Saura

The Palaeolithic paintings in northern Spain have been precisely dated for the first time, proving the art form began in Europe 10,000 years earlier than previously thought.

Source: Cave artwork found in Spain is confirmed as oldest in Europe at 40,800 years old and could have been painted by Neanderthals