The man in the middle of the photo is smoking, and I just hope he doesn't burst into flames! 8-)
Actually, I suspect that this photo shows a group of teachers or chemists (notice the bottles of what may be chemicals on the shelves at the back of the room, and is that a periodic table chart hanging on the wall at right?) hamming it up for the camera in a school or workplace.
A
smoking photo originally posted to the
Vintage Photos Theme Park group on Ipernity:
Group Portrait with Man Smoking.
