Kolkata Tunnel causing houses collapse: Water leak returns after early success,
Additional problems on TBM mishap which left 500 people homeless https://timesofindia.indiatimes.com/city/kolkata/water-leak-returns-after-early-success-kolkata-metro-in-for-long-haul/articleshow/71002164.cmsTags: Kolkata east-west line
cover tunnel photo by: Matt Brown from London, England / CC BY
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