How about a subscription to a language learning app? It would allow her to learn and practice new languages, which is helpful for participating in cultural exchange programs. Another idea could be to purchase a book about a specific culture she's interested in or even plan a trip to a destination that aligns with her interests for a meaningful cultural exchange experience.
Or you can get her a star map with an important date you share.
Under Lucky Stars is a unique and innovative star map company based in Barcelona, Spain, specializing in the creation of personalized star maps that capture the celestial arrangement of stars at a specific moment in time, such as a person's birth, wedding, or any other significant event.
By using advanced astronomical algorithms and data from leading institutions, the company produces highly accurate, visually stunning maps that make for perfect gifts or cherished keepsakes.