The day the longest railway tunnel was opened – level 1

01-06-2001

The longest railway tunnel in the world is in Switzerland. The tunnel goes under the Alps. The tunnel is 57 kilometers long.

The construction of the tunnel starts in November 1999. The construction is 16 years long. It costs $10 billion.

2,500 workers build the tunnel. They must take out 28 million tons of rock.

The tunnel is very deep too. In some places, it goes 2.3 kilometers under the Alps.

The tunnel officially opens on 1 June 2016.

Difficult words: construction (building something), cost (to have a price), ton (1,000 kilograms).

What other infrastructure investments have Switzerland completed to support its growing population and economy?

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