What is the longest and deepest tunnel in the world?

Eurotunnel (English Channel)
Lötschberg (Switzerland - Germany)
Seikan (Hokkaido-Honshu Island)
Gotthard-Basistunnel (Switzerland-Italy)
Tunnel da basa dal Son Gottard) is a railway tunnel through the Alps in Switzer­land. With a route length of 57.09 km (35.5 mi),it is the world's longest and deepest traffic tunnel and the first flat, low-lev­el route through the Alps.

Answers distribution

Eurotunnel (English Channel)
Lötschberg (Switzerland - Germany)
Seikan (Hokkaido-Honshu Island)
Gotthard-Basistunnel (Switzerland-Italy)
answers
flagUnknown
23%
11%
11%
52%
17
flagPoland
22%
14%
20%
41%
531
flagthe United Kingdom
25%
16%
33%
25%
12
flagthe United States
30%
23%
30%
15%
13

Gender

men46%
women48%
Eurotunnel (English Channel)
15%
20%
Lötschberg (Switzerland - Germany)
19%
11%
Seikan (Hokkaido-Honshu Island)
18%
20%
Gotthard-Basistunnel (Switzerland-Italy)
46%
48%

Language versions

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answers
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What is the longest and deepest tunnel in the world?
17
23%

Details

Author: Tschuka
Illustration: Aldimedia

History

Dec. 15, 2017, 7:37 p.m. added by Tschuka »
Nov. 7, 2017, 11:04 a.m. modified by Ninjai »
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