It’s on a sunny afternoon in mid-August that I pack my pencil, a booklet and a flashlight in my backpack. My destination is a five-hundred-year-old chapel located in my hometown. The historic city of Esztergom is famous for its picturesque landscape, medieval old-town, and for the massive Basilica on the castle hill. Only a few visitors, however, know that one part of this huge cathedral hides something unique and unusual: a medieval chapel with more than a thousand carvings on its marble walls…