Entrance of the historic building of the ENS — At 45, rue d'Ulm. The inscriptions on the pediment of the monumental doorway display the school's two dates of creation (the first, in the oculus, under the National Convention) and date of installation in this premise.
Photo Credit: By Guilhem Vellut - Flickr: ENS, CC BY 2.0, https://commons.wikimedia.org/w/index.php?curid=27380426