For some reason, this one reminded me of an erupting volcano - except this is not quite as destructive.
The large version is at the preceding link.
Today's Gratitude Item: Finding 40c (two 20c coins) on my walk today. Said coins were quite far away from each other, but its still a buzz to pick up other people's dropped small change. That would be one of the major advantages of walking outside as opposed to on the treadmill :)