Lush green field with a small stream running through it

Poster of a geological map of Vietnam

Black and white engraving of a man in a robe sitting on a chair

Painting of a woman wearing a black dress and a feather on her head

Old black and white photo of a man standing in a room with a wooden…

Black and white drawing of a village with houses

Statue of a man holding a book in a room with a wall in the background

Young man wearing glasses and a blue shirt

Black and white drawing of a battle scene with ships in the water