poster on a grey wall

poster on a grey wall. The poster is titled "ΕΚΕΦΕ “ΔΗΜΟΚΡΙΤΟΣ” ΙΝΣΤΙΤΟΥΤΟ ΠΥΡΗΝΙΚΗΣ ΦΥΣΙΚΗΣ ΕΡΓΑΣΤΗΡΙΟ ΑΝΑΛΥΣΗΣ ΥΛΙΚΩΝ" in Greek. The poster features a diagram explaining different methods of X-ray fluorescence (XRF) analysis. The poster also shows three examples of XRF analysis applications: (1) analysis of a ceramic pot, (2) analysis of a terracotta statue, and (3) analysis of golden rings and other artifacts. The poster is mounted on a rough grey wall, likely in a lab or classroom. The location of the poster is in Agia Paraskevi, Greece, based on the provided coordinates.