Photo: Nigel Chiwaya for DNAinfo

The mystery of the pink ice waterfall? Residents of Inwood in upper Manhattan have been debating the cause of this colorful frozen cascade at Highbridge Park, suggesting everything from fuel spills to road salt to mineral deposits – but the truth is actually quite innocuous. That doesn’t make the waterfall any less delightful though. Click here for more pics of this wintertime eye candy.

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