I walked down the stairs to a night club which was located below the street level. When I got downstairs, I bumped to someone. I apologized politely and continued walking. After a short time, I realized that the surface I had bumped to was smooth. I had hit a mirror and apologized from my own reflection. I quickly looked around to see if anybody saw the incident but noticed to my relief that the lobby was empty.
Everyday Anomalies 