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Armenia's Cosmic-Ray Catchers

High in the Caucasus Mountains, a former Soviet weapons-research facility now studies mysterious particles streaking in from space.

Photo: Amos Chapple (RFE/RL)

Armenia's Cosmic-Ray Catchers

High in the Caucasus Mountains, a former Soviet weapons-research facility now studies mysterious particles streaking in from space.

High in the Caucasus Mountains, a former Soviet weapons-research facility now studies mysterious particles streaking in from space.

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