Mirror In Lane

I entered into a lane to take a shortcut. I was heading to Khaosan Road. The alleyway was narrow and flanked by the old buildings. A signboard was hung in the air. Because it was written in English, I thought I was approaching the road.

I found a mirror hung on the wall at the end of the lane. And I wonder fro what it was hung here. Perhaps, it was placed to adjust the clothes before debouching. Thinking such thing, a man cast behind me. His figure was reflected in the mirror. Yet he walked away without seeing the mirror.