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A comment on Nordic Ice Skating on Thin, Black Ice in Sweden Is an Art and a Science. Parent comment

Re:Nordic Ice Skating on Thin, Black Ice in Sweden Is an Art... by mongol on Saturday July 14, 2018 @09:23AM (#17530240)
Maybe in retrospect. But could be also "safe" ice can look like that?
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Re:Nordic Ice Skating on Thin, Black Ice in Sweden Is an Art... by StavrosK on Saturday July 14, 2018 @09:27AM (#17530253)
Maybe, although whenever I've seen ice like that it was because there was a large air bubble trapped below and the ice was thin.
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