Porto is surprisingly hilly. Built on both sides of the River Douro, the river banks prove to be a challenging walk as you move away from it. This necessitates the need for bridges and tunnels. This was one of them filled with afternoon rush hour traffic.
- Aperture: ƒ/4 Camera: Canon EOS 5D Mark III Focal length: 28mm ISO: 160 Shutter speed: 1/40s