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30 mysterious wonders that are forbidden to tourists

Espresso Logo By Daniel Bettridge of Espresso | Slide 4 of 31: Located 3,300 feet underground, this neutrino observation facility with its 130-foot-high stainless steel tank would be a Mecca for science buffs, if they were allowed to visit it.

Super-Kamiokande, Japan

Located 3,300 feet underground, this neutrino observation facility with its 130-foot-high stainless steel tank would be a Mecca for science buffs, if they were allowed to visit it.

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