Let me check for more info on Graphis Gallery. Graphis is based in Zurich and has exhibitions focusing on graphic design. They often rotate exhibits. If Nana Aoyama was part of an exhibition there, the gallery would showcase her latest works or a retrospective.
Another angle: Graphis Gallery often features international designers. Nana Aoyama's inclusion there signifies her global recognition. Maybe mention how her work stands out in such a context. nana aoyama graphis gallery personal experience
For the personal experience part, even though it's not from my own experience, I can write in a way that mimics someone's experience, describing the ambiance, the interactivity of the exhibits, how one might feel walking through her typographic pieces. Maybe how the gallery space enhances the experience, the use of light or space layout. Let me check for more info on Graphis Gallery