Tunnel length : 572m.
Internal width : 4.3 m
Depth : 31,57m
The construction started in 1931 and the tunnel was opened in 1933.
This is a pedestrian tunnel that runs underneath the Schelde river in
Antwerp, Belgium. It connects the city with the 'Linkeroever' which
simply means the left shore.
This were the first steps to expand the city to the other side of the river.
Standard 3 exposures HDR on a tripod using the Sigma 10-20mm lens and a polarizer (? forgot to screw it off, no problem).
This shot is totally fake, I copied half of the picture, pasted it and flipped it, so you're looking at a perfect symmetry over the Y(vertical) axis.
I've converted the shot to black and white and put a radial gradient in the mask to only have the end of the tunnel go to black&white - creating an extra element of depth.
I boosted the saturation, and masked out all except the yellow tiles in the middle of the walls.
I've enhanced the contrast by using curves and masked away everything but the floor tiles...
Took away the yellow colour of the ceiling right before the tunnel entrance, again by using the black&white filter and masking out everything but the ceiling.
I sharpened the image and painted that effect away in the depth using the history brush - all this to add yet another element of depth.
All comments, criticism and tips for improvements are ( as always ) welcome.