Last March 6th, the newspaper El Pais echoed the loss of pigments by washing in Polychromes Hall. This phenomenon, documented from 2014-2015, and still in action, was never detected in real time. The article is interested in the opinions of Sergio Sánchez Moral (from the Museum of Natural Sciences) and Cesareo Saiz-Jimenez, from IRNAS, the responsible persons of different research projects focused to the detection of the deterioration factors of the cave and its Palaeolithic paintings from 1997 to 2012. The whole article (in Spainsh) can be read here
