How it comes about ?
I could imagine how Earth, Moon, other planets and Sun became round as the molten materials or gas bound by gravity and spun like a top in vacuum space, formed circular bodies.
But I could not imagine how this round cobble was formed from the Sandstone bedrock through weathering by predominantly water in the tropical Borneo, rolling around and knocking here and there. This cobble was found in a stream at the highland near Seping in the interior Sarawak. I can accept all other odd shapes of the cobbles in the stream, but not this near-perfect sphere ! Wonderful Nature !
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