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|The Pointer marks the Tower at Cecilia Metella (Tomba di Cecilia Metella). This is where the pedestrian precinct of Via Appia antica (the Appian Way) begins.
|The Blackwall Tunnel Ventilation Towers, designed in 1961-62 by Terry Farrell while he was employed at the London County Councilís Department of Architecture, stand on each bank of the River Thames. The scheme comprised the ventilation buildings to the new Thames tunnel, and offices and workshops for the superintendent supervising tunnel entrances and the cladding selection for the tunnel linings.||12/17/2006||435|
|This is the tunnel between Sarnia, Ontario and Port Huron, Michigan. It is a large-diameter tunnel designed to let oversized rail cars pass through (unfortunately, poor resolution in GE).||08/30/2005||378|
|The Huguenot Tunnel in South africa is 3.9 km length. The tunnel was finally opened on 18 March 1988.||02/28/2013||174|
|This a view of the Eisenhower Tunnel on the I-70 west of Denver, Colorado. It is the highest record automobile tunnel in the world at just over 11,000 feet in elevation.||08/13/2008||898|
|This is a wind tunnel at RAE Bedford that has been used for various aircraft development since the 1960's. It has since been used for F1 Race teams. It is known as the 13 x 9 tunnel as the working area measures 13ft x 9 ft cross section.||10/04/2005||454|
|The northern portal of Blisworth, second longest canal tunnel in England after Standedge Tunnel||09/16/2005||316|
|George's Dock Ventilation and Control Station at the Pier Head for the Birkenhead Tunnel.|
The Tunnel was eventually brought into use on 17 December 1933, with an official opening on 18 July 1934.
|Onera wind tunnel un Savoie, France.|
The big building is sub sonic wind tunnel as the smaller (left)is for hypersonic wind generation. The wind tunnel was originally built by Germany during WWII, and taken as war compensation by allied then built as identic in this valley.
|Church in ostia antica||12/27/2005||246|
|This is the wind tunnel at RAE Bedford (now Defence Research)where engine housings and wings were developed/tested for the Airbus. The building above with the seven cooling towers houses the Supersonic wind tunnel where Concord was developed. ||10/04/2005||359|
|The Gotthard Base Tunnel is a railway tunnel under construction in Switzerland. With a planned length of 57 km, it will be the longest railway tunnel in the world upon completion, ahead of the current longest, the Seikan Tunnel. The project is designed to feature two separate tunnels containing one track each. There is also a proposal to build a station in mid-tunnel, Porta Alpina, near Sedrun,...||09/14/2005||850|