Black and white photo of a train on the railway tracks

Black and white drawing of a coat of arms with two lions on either…

Group of lesser scaup ducks swimming in the water surrounded by snow…

Close up of a piece of yellow slime mold on a green leaf

Diagram of the knee joint

Circle with a red center and blue lines radiating outwards from it

Black and white drawing of a horse with its parts labeled

Black and white photo of a man wearing a blazer and tie

Black and white drawing of a chandelier with a sun in the center