What architectural element of the choir at the abbey church of saint-denis was introduced at the time of abbot suger's redesign?

The choir at the abbey church of saint-denis demonstrates Gothic architecture. When Abbot Suger redesigned the choir, he purportedly built the first building showing features of Gothic architecture. This then became a model and inspiration for many medieval cathedrals and buildings. The church is currently a major architectural landmark in the basilica form.

Lily, would be very good to use in lace like centerpieces. since this is a romantic wedding, you want lots of romantic decor. a lot of red and pink and white, are all associated with romance, therefore lilys would be the best flower to use