Black and white drawing of a group of people in a room

Piece of paper with Chinese calligraphy written on it

Molecular model of a peptide molecule

Fan with a drawing of a landscape on it

Old black and white photo of a man wearing a blazer

Book with a drawing of a plant with green leaves and fruits on it

Old photo of a man wearing a hat and tie

Two women standing side by side

Poster with text and a pie chart depicting the number of occupations…