Reply on topic: Tender High-speed railway tunnel in Łódź for Warsaw-Wrocław route
https://biznes.wprost.pl/gospodarka/infrastruktura/10404166/cpk-z-przetargiem-na-tunel-szybkiej-kolei-w-lodzi-trasa-polaczy-warszawe-z-wroclawiem.html
cover tunnel photo by: Matt Brown from London, England / CC BY
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