, Dec. 29 -- You would not believe it when I say that walking at night is the most relaxing thing in the world for me. As evening approaches and the yellow of the sky is replaced with black, the lights of different houses in neighborhoods flicker open exposing the streets-and people on the streets-to a pallid, shadowy hue.

Going back through memory lane, my evening walks in Dhaka as a child meant me being hoisted off the floor by either my uncle or some other relative and toured around the neighborhood block. The sky would change color according to its own will and choice.

In the long run it meant me often walking and looking up at the changing sky and watching its various shades spread all over the blue. Walking past a shop and being c...