A gray and black-haired male is holding his glasses in one hand while looking at something in the other hand ; surrounded by numerous amounts of machines .
An older man has taken off his glasses while observing equipment .
A gray and black-haired male is holding his glasses in one hand while looking at something in the other hand; surrounded by numerous amounts of machines.
An older man has taken off his glasses while observing equipment.
The gray and black-haired man is an older man.
The gray and black-haired man is an older man .