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Deep Beneath This Russian City, Miles Of Technicolor Caves Share Their Hidden Beauty (PHOTOS)

No, you're not tripping -- these psychedelic salt caves actually exist.

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salt mines

salt mines

These photos were taken deep underground within the miles of abandoned mines beneath Yekaterinburg, Russia. Layers of carnallite -- a mineral used in fertilizers -- band the tunnel walls, producing these technicolor masterpieces. Think a subterranean version of China's stunning rainbow mountains.

A small portion of the carnallite mines remain in use, but most of the passageways are now closed and off-limits to the public without a special government permit, according to photographer Mikhail Mishainik. Take a look at a few more photos of the caves below.

salt mines

salt mines

salt mines

salt mines

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