It's interesting how in the last 2 shots the top is more pockmarked and not worn as smoothly. There must have been a lighter, easier-to-erode material in the crack at some point that didn't allow the upper portion to get as smooth from the water.
It's interesting how in the last 2 shots the top is more pockmarked and not worn as smoothly. There must have been a lighter, easier-to-erode material in the crack at some point that didn't allow the upper portion to get as smooth from the water.
Yeah, strange, but maybe not unusual.