Another tells of a clumsy wizard who caused a rainbow to collapse into the Lago di Carezza, a lake which still glows a luminous green to this day.

BBC: Legends of the Italian Dolomites

Salt Lake City just finished picking up the pieces from the 1991 collapse of Bonneville Pacific, a publicly traded alternative-energy company that, it turned out, was heating up its financial statements.

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"We're working to stabilise the collapse itself to make it safe, so we can carry out some further investigations and hopefully then the lake can be replenished, " he said.

BBC: Stoke-on-Trent mine collapse drains lake