On May 27, 2007, the Gran Sasso National Laboratory organised the 7th edition of the Open Day event, in collaboration with the "Associazione per l'Insegnamento della Fisica". This day was rich in various educational and hands-on activities such as contests, exhibitions, shows and conferences. Guided visits to the Laboratory were proposed as well.
The communication working group of ILIAS/N2 greatly contributed to the success of this events via posters, brochures and documentaries about the four main European underground laboratories, and by helping with the guided visits. The ILIAS/N2 working group has participated to this event every year since 2005.