Full of Grace

I was walking to work the other day when suddenly I was face down on the pavement. I don't have any idea how it happened. One minute I was strolling along happy as Larry and the next I wasn't. And for all you medicos out there, I had no loss of consciousness, no dizziness, no lightheadedness, palpitations or any warning signs whatsoever. I can not however say that it was definitely a mechanical fall either. The pavement was perfectly flat without a single obvious raised area I could have tripped on and despite one friends suggestion, I don't recall tripping over my other foot. Anyway, this is the result of this graceful event: