Civil engineers celebrate TBM Durga's breakthrough at Kolkata metro station
Kolkata, Jul 10 : Civil engineers pose for a photo as they celebrate Tunnel Boring Machine (TBM) 'Durga' making its first breakthrough into the under-construction Victoria Memorial Metro Station, in Kolkata on Friday. TBM Durga completes the 1.7-km tunnel between Kidderpore and Victoria Memorial.