Cannon in St. Jorge's Castle

I shot this cannon in the St. Jorge's Castle (Castello de Sao Jorge) in Lisbon.

EXIF data:
Camera: Canon 5D MK II
Lens: Canon 24-105 f/4 L IS USM
Focal length: 47 mm
Aperture: f/11.0
Exposure time: 1/40 s (for "normal" exposure)
ISO: 250
Number of exposures: 3
E.V. Step: 2 E.V.
Flash used: no
Tripod: no
Filters: no
Software: Photomatix Pro 4.2.3, Lightroom 4.1, Photoshop CS5

Where was this photo taken:

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