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A salt dome, a break room at the depot, the inside cab of one of the trucks and an Evanston living room make up this chilly theatrical cosmos.

Experts believe the sinkhole is caused by the erosion of a large salt deposit or salt dome on which Daisetta is built.

Here in the rural Utah desert, developers plan to create caverns in ancient salt dome formations underground where they hope to store hydrogen fuel at an unprecedented scale.

The roof was torn off the old salt dome.

There’s also a massive underground salt dome directly across the street from the coal plant, where the Los Angeles utility hopes to bank electricity generated by solar and wind power through a technology called compressed air energy storage.