Open book with a drawing of a plant with blue flowers and green leaves

Molecular model of a hydrogen atom

Map of a city with a red area in the middle

Black and white photo of a signature on a white background

Drawing of a man sitting on a chair with a man standing behind him

Painting of a woman in a pink dress

Drawing of a room with a fountain in the middle

Drawing of a brown moth on a white background with a number written on…

Black and white diagram of a curved line with the word &quot;meh&quot; written…