Taming the avalanche-prone mountains over Rohtang tunnel
Published on Tue, Jul 9 2019 15:21 IST | 112 Views
The construction of one of the world's most challenging motorways - the Rohtang Pass highway tunnel - in the Himalayas of Himachal Pradesh is likely to be completed by 2020, according to the project engineers. (Photo: IANS)
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