Old movie black and white what I can remember is large domes that was suppose to be a science expermient however it was housing aliens- they would take people up in elevators when they came down they through they seen the expermient. The aliens could not live in air--when they were found out and air was pumped in they took people and stuffed there bodies in the air tubes. It ended with the domes being destroyed and the aliens which are mases die.
