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35 minutes ago, liuzhou said:There are also may types of sweet potatoes. I think those ones have been fossilised, though!
He He. Google image search (lame as always, but with such amazing promise!) identified the first image by the OP correctly as "root vegetable", and the second image as "rock". So fossil is not so far off. 
22 minutes ago, liuzhou said:There are also may types of sweet potatoes. I think those ones have been fossilised, though!
He He. Google image search (lame as always, but with such amazing promise!) identified the first image by the OP correctly as "root vegetable", and the second image as "rock". So fossil is not so far off.
