240321 TBM Cecilia breakthrough at Chiltern Tunnel North Portal
240321 TBM Cecilia breakthrough at Chiltern Tunnel North Portal released by High Speed 2 https://mediacentre.hs2.org.uk/resources/240321-tbm-cecilia-breakthrough-at-chiltern-tunnel-north-portal-dji-0064Terratec TBM for Mithi River Water Quality Improvement Project of Mumbai
Terratec TBM for Mithi River Water Quality Improvement Project of Mumbai Photograph used with courtesy of Terratec co. from :https://terratec.co/NewsInfos/detail/106
cover tunnel photo by: Matt Brown from London, England / CC BY
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