One large bubble

Although I don't take street photos very often, I just had to capture photo of that huge bubble in the middle of Plaza Mayor in Madrid. I wasn't the only one enjoying the show - the kids all around were just crazily excited when they saw it.

Technical details:
Camera: Canon 5D MK II
Lens: Canon 24-105 f/4 L IS USM
Focal length: 32 mm
Aperture: f/5.0
Exposure time: 1/1250 s
ISO: 800
Number of exposures: 1
E.V. Step: n/a
Flash used: no
Tripod: no
Filters: no
Software: Magic Lantern 2.3, Lightroom 4.2, Photoshop CS6