This is the 5276th most frequent Arabic word.
تذكارية
Commemorative.
In this sentence, the word "تذكارية" is used as an adjective describing the photo that serves as a reminder or commemoration of a particular event or trip.
أحضرت من الرحلة صورة تذكارية جميلة.
I brought a beautiful souvenir photo from the trip.
Here, "تذكارية" describes the gift purchased as something that represents the memory or significance of visiting the place.
اشترينا هدية تذكارية من المتحف.
We bought a souvenir gift from the museum.
In this usage, "تذكارية" is applied to the library as a commemorative space honoring someone's memory or legacy.