Boring machine completes connecting tunnels for metro in Bangalore
epa09481667 A general view showing the Bangalore Metro Rail Corporation Limited (BMRCL) Metro rail phase II project, in Bangalore, India, 22 September 2021. Tunnel Boring Machine 'Urja' completed tunneling the Mamma Metro route in the North Ramp with digging 855 meters to achieve a breakthrough from Kalenga Agrahara to Nagawara some 21 kilometers of North Bangalore. EPA/JAGADEESH NV