Londoner solves 20,000-year Ice Age drawings mystery

In chapter 9 we investigated the mysterious drawings in the caves of Altamira and Lascaux. Of course, our interest lies in the development of human ritual, but a Londoner, in collaboration with researchers at Durham University and University College London, conducted research that showed that some of the markings indicated primitive use as a calendar, one of the oldest records of systematic attempts at timekeeping! Here's the article: https://www.bbc.com/news/uk-england-london-64162799, and here's the published research: https://www.cambridge.org/core/journals/cambridge-archaeological-journal/article/an-upper-palaeolithic-protowriting-system-and-phenological-calendar/6F2AD8A705888F2226FE857840B4FE19.