Chinese calligraphy scroll with Chinese characters written on it

Artist&#39;s impression of the sun with a black hole in the center

Open book with a drawing of a tree on it

Black and white drawing of a cityscape with buildings

Engraving of a man and woman standing in front of a statue

Black and white drawing of a fish on a white background

Black and white drawing of a sloth hanging from a tree branch

Gray compass rose on a white background

Black and white drawing of a man riding on the back of a horse