Question

5) first underground tunnel in the world is​

Answer 1

Answer:

150 years ago the world's first underground transport tunnel opened in London: the Tower Subway. A rail car shuttled back and forth under the river between the banks of the Thames - a much admired technical innovation in 1870.

Answer 2

Explanation:

150 years ago the world's first underground transport tunnel opened in London: the Tower Subway. A rail car shuttled back and forth under the river between the banks of the Thames - a much admired technical innovation in 1870.