Observa este video clip sobre la historia de las cumbres o reuniones de alto nivel:
Summit Diplomacy: Some Lessons from History for 21st Century Leaders - Professor Paul Reynolds
GreshamCollege. (2013, 27 de junio). Summit Diplomacy: Some Lessons from History for 21st Century Leaders-Professor Paul Reynolds. [Archivo de video]. Recuperado de
https://www.youtube.com/watch?v=RTEFyPhDMtU