Difference between revisions of "Tunnel"
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A tunnel is a passageway through or under an obstruction, like a mountain. | A tunnel is a passageway through or under an obstruction, like a mountain. | ||
| − | The [[world's longest tunnel]] is 33 miles through the [[Swiss Alps]], completed after 6 decades of work in 2010. | + | The [[world's longest tunnel]] is 33 miles through the [[Swiss Alps]], completed after 6 decades of work in 2010.<ref>[http://www.washingtontimes.com/news/2010/oct/15/joyous-swiss-celebrate-longest-tunnel-breakthrough/ Joyous Swiss celebrate longest tunnel]</ref> |
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| + | ==Notes== | ||
| + | <references /> | ||
Revision as of 15:22, October 15, 2010
A tunnel is a passageway through or under an obstruction, like a mountain. The world's longest tunnel is 33 miles through the Swiss Alps, completed after 6 decades of work in 2010.[1]