Two petri dishes filled with blue and purple granules on top of a…

Large building with a pond in front of it

Group of men working on a machine in the mud

Dirt road covered in snow with trees on either side

Bronze coin with a cross on it against a white background

Painting of a woman in a blue dress with a flower in her hair

Two Chinese banknotes with Chinese writing on them against a black…

Old book with a drawing of a group of people standing in front of a…

Yellow sign sitting on top of a metal fence in front of a building…