Salamanca, glorious city of the Renaissance

Night painting of the city of Salamanca. At first term trees in dark green reflecting shadows next to the river. In second place the city with the Cathedral in green tones and
in the background (and occupying a large part of the poster) the sky in dark blue with a yellowish green stain. In the lower left part of the the anagram of the Patronato and a seal of the Spanish Republic in red ink