The static on the screen didn't change, but the atmosphere in the room shifted. The air pressure dropped, popping Eli’s ears. A hum began, low and resonant, vibrating in his chest.
He reached for the door to leave, to get back to the street, to call the police, to find that building. The static on the screen didn't change, but
He turned around. The doorway he had just stepped through was no longer a door. It was a solid brick wall. popping Eli’s ears. A hum began
I'm happy to help you write a post, but I need more information about what you're trying to promote or discuss. "7mmtv" doesn't give me much context. low and resonant