A selfie set in stone: hidden portrait by cheeky mason found in Spain 900 years on

A British art historian’s painstaking study of the cathedral in Spain’s Santiago de Compostela uncovered a medieval prank
Read more: https://www.theguardian.com/culture/2020/nov/01/a-selfie-set-in-stone-hidden-portrait-by-cheeky-mason-found-in-spain-900-years-on?source=Snapzu