A piece of my cityscape with characteristic sky rendering.
A story behind: It was 21 years ago when the St. John Bridge ( above ) designed by engineer Edgar Cardoso was inaugurated on June 24, 1991. This concrete railway bridge connecting two high cliffs of the Douro river came as a substitute of the famous steel Maria Pia bridge ( constructed by the Eiffel ), which was in the service of trains for 114 years. It is a remarkable piece of engineering and its central span of 250 meters on the river Douro, still holds the world record in bridges of this type.
Gear: Nikon D700. Nikkor 16-35 mm. Polarizer. 10 ND-Stop.
Aperture: f/22
Shutter speed: 176 sec
Exposure bias: +0,3 EV
Focal Length: 16 mm
ISO: 50
Place taken: Vila Nova de Gaia, Portugal.
Maciek.
UPDATE: http://1x.com/#!/photodirectory/629961
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