century window, in the south ambulatory of Chartres Cathedral. the stained glass windows provided colored lights on the interior of the Cathedral when the sun shown through them. The colors were supposed to show the worshipers what heaven looks like.
Saint Chapelle, Paris, France - This Gothic chapel is considered one of the highest achievements of the Rayonnant period. Its most prominent feature is the upper level, which is encompassed by floor-to-ceiling stained glass windows. My Art History I te