treigny, france - july 13 2019 : tourists visiting the guedelon castle courtyard. this site is actually under construction, as an

building site architecture scaffolding round castle fortress mediaeval construction men work build france visit wall archaeology framework middleages tour tourism story heritage tower high blue engineering new equipment visitors sky wood stone experiment learning craftsmen sunny yellow orange courtyard treigny july 2019 tourists visiting guedelon actually under experimental archeology project aimed recreating 13th-century