Stained glass windows between purple and bluish colors in the upper chapel of the Sainte Chapelle in Paris, France

stained glass windows purple bluish colors upper chapel sainte chapelle paris france ornate gothic architecture religious art masterpiece historical monument detail vibrant illumination tranquil beauty spectacular radiant church cultural heritage parisian iconic light translucent divine spiritual atmosphere marvel aesthetic opulent sanctuary glasswork tour symbolism colorful artistry impressive architectural splendor design solitude