Fooch's Note: According to Cam Inman they're afixing swirling wind streamers to the top of the goalposts. That makes more sense.
Well, this is certainly interesting. Jim Trotter shot this picture from the Candlestick Park press box. You might notice something doesn't quite look right.
Here is a closer shot of the knocked over goal post:
There is no word yet on what caused the goalpost to get knocked over, but they are at work getting it back in position. That's at least a little bit interesting.