The mystery of the red box.

On the morning of February 14, there was peace at school; no student shouting over the big clean grounds of school; no angry teacher scolding; all was calm and quiet. There were no vehicles outside on the streets surrounding the school. Both the watchmen of the school were sitting on the two chairs outside -- bored with their usual job -- one of them was sleeping while the other finally decided to read the newspaper.
I was spending the quiet time in the school library looking outside the big library window fitted with a spotless glass. I was watching around the empty streets and humming m…