India's first underwater metro in Kolkata to be completed by 2022 after costs d...

The Kolkata Metro Rail Corporation’s East-West project is expected to carry about 900,000 people daily, roughly 20% of the city’s population, and will take less than a minute to cross a 520-meter underwater tunnel.

from Hindustan Times - topnews http://bit.ly/2RvuaNI
https://ift.tt/2zbki14