IMG_0439-Siberia-Baikal-Museum-tunnel-cutaways-Helen-Holter-618

This museum diorama shows boring through mountains to build train tunnels on the Circumbaikal Route Photo credit: Helen Holter

This museum diorama shows boring through mountains to build train tunnels on the Circumbaikal Route
Photo credit: Helen Holter

This museum diorama shows boring through mountains to build train tunnels on the Circumbaikal Route
Photo credit: Helen Holter

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