No Entry Sign With A Drawing Of A Person Blocking The Way Editorial Image

Red and white sign says NO ENTRY in capital letters. There is a drawing of a person holding up a hand to block the way. The drawing is covered with the "No" symbol in red. The sign is on a black metal gate that is across weathered black wooden stairs. Taken at a passage tomb at Knowth, a prehistoric monument overlooking the River Boyne in County Meath, Ireland.