There are two canals going through the center of Utrecht - Oudegracht and Niewegracht.
Oudegracht was constructed in 11th century, and nearby Niewegracht in 14th century.

The photo was taken at 22:00, with the following settings:
ISO 200, lens zoomed to 17 mm, F/8, 13 sec exposure - camera was set to Aperture Priority mode with +0.7 EV exposure compensation.