Drawing of a sailboat in the water with a few people on board

White boat traveling down a river

Open book with a drawing of three fish on it

Three men sitting at a table with papers in front of them

Large dam with a bridge over it

Poster of a map of the Roman Empire with the extent of the Empire…

Painting of a man in a black coat standing in front of a brown…

Black and white photo of a man in a suit and tie

Black and white photo of barrels in a tunnel