Black and white photo of a man sitting on a bench in a room with a…

Old black and white photo of a woman standing next to a wooden fence

Black and white photo of a train on the railway tracks

Old black and white photo of a man with a beard wearing a suit

Drawing of a man standing in front of a waterfall

Black and white photo of a radio antenna on top of a mountain

Drawing of a machine in a room

Portrait of Johannes Simler

Black and white photo of a train station