Reflection of sunset

Nothing spectacular today - just a photo of a sunset I took in Madrid. It was raining earlier that day so there were a lot of puddles. As there was no interesting view really I decided to use reflection as a foreground element.

Technical details:
Camera: Canon 5D MK II
Lens: Canon 24-105 f/4 L IS USM
Focal length: 67 mm
Aperture: f/18.0
Exposure time: 2.5 s ("middle" exposure)
ISO: 100
Number of exposures: 7
E.V. Step: 1 EV
Flash used: no
Tripod: yes
Filters: ND8 neutral density filter
Software: Magic Lantern 2.3, Photomatix Pro, Lightroom 5.0, Photoshop CC