In the context of the latest research on Altamira cave and museum, Xurxo Ayan had the opportunity to study the visitors' book of the cave. In an excellent essay about memory, politics and archaeology, the author delves into the image of the cave, the past and the Spanish society of the last decade. Ten years that have been a rollercoaster for Spanish society, but also for Altamira. Through the comments of famous and anonymous visitors, the book offers a unique view of a country where memories of the recent past are still fresh, merged with the remains of human experience. Humour and astonishment through the 13,000 pages of a visitors' book concentrated in a scathing but rigorous analysis. "Ordering the noise before the bison escapes scared by the threat of an earthquake".