Black and white photo of a hippopotamus lying on the ground with its…

Open book with a drawing of a plant with flowers and leaves on it

Black and white photo of a man standing on top of a large pipe

Group of men standing next to each other in front of a building with…

Black and white photo of a group of people standing around a tree in…

Black and white photo of a lake surrounded by trees

Old map of Portugal with the words &quot;Carta Militar de Portugal&quot; written…

Black and white photo of the ruins of a building

Old black and white photo of a woman wearing a dress