Fading Away?

"Why do I have this strange feeling that this place is like a concentration camp?" I quietly wondered to myself as I observed the people getting on the bus. They all went inside a room at the far end, but none of them were coming out. The situation was becoming more unsettling by the minute. 

It was as if those who entered had simply vanished. Their absence, coupled with the eerie silence that followed, made me conscious . Something was definitely not right, and I couldn't help but wonder what was happening behind those closed doors. 

And I wasn't the only one feeling the mounting anxiety in the bus. The tension hung heavy in the air, and I could sense that others were equally disturbed by the situation. The people around me wore expressions of unease, their eyes darting nervously as they observed the strange proceedings. 

Then a thought suddenly struck me like a lightning bolt: