Here's a picture of a totally mysterious sign near where I'm staying in Greece. It's a tall, very sturdy sign that has been erected smack in the middle of the sidewalk, in the middle of a block. It seems to be directing traffic to go straight, but why? I mean, it's in the middle of the block! The traffic has to go straight here. Maybe it's meant as a reminder to motorists that they shouldn't just suddenly lunge sideways and kill pedestrians. I frankly don't know.
This has been your Olympic update.