China's new railway tunnel squeezed by tectonic crush in Tibetan snow mountain

In less than a month, the tunnel in Yunnan was reduced from a diameter of 12 metres to less than 3 metres as a result of shifting tectonic plates.

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Tibet ,Xizang ,China , ,Tibet Railway ,Haba Snow Mountain Tunnel ,China Railways ,Hina Seismology ,China Engineering ,China Railway Engineering ,