Modern America Wonders
Date finished: May 6, 1994
Location: Strait of Dover, between the United Kingdom and France
The Channel Tunnel is a 50.5-kilometre undersea rail tunnel .At its lowest
point, it is 75 metres deep. At 37.9 kilometres the Channel Tunnel
possesses the longest undersea portion of any tunnel in the world,
although the Seikan Tunnel in Japan is both longer overall at
53.85 kilometres and deeper at 240 metres below sea level.
The tunnel carries high-speed Eurostar passenger trains, Eurotunne
Shuttle roll-on/roll-off vehicle transport--the largest in the world--and
international rail freight trains. The tunnel connects end-to-end with the
LGV Nord and High Speed 1 high-speed railway lines. In 1996 the
American Society of Civil Engineers identified the tunnel as one of the
Seven Wonders of the Modern World.
Itaipu Dam
Date started:January 1970
Date finished:May 5, 1984
Location:Paraná River, between Brazil and Paraguay
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