Quite early one morning ...

I can't say I lay awake all night but as soon as I was awake I started ruminating about a problem at work. As a consequence I was on a very early train - possibly unnecessarily so but I wanted to get into the office and work away at it. My diligence was rewarded by the sunrise over Edinburgh Castle and West Register House.

On my way home on the train now. The problem isn't solved but it is shared.