Person wearing white gloves holding a brown diamond in their hand

Painting of a man sitting in a chair

Woman sitting in a boat

Open book with Chinese writing on it

Painting of a woman in a blue dress with a white background

Black and white photo of a man in uniform

Black and white drawing of a boat in the water with a few people in it

Molecular model of a peptide molecule on a white background

Black and white drawing of a man wearing a suit and glasses