The Chairman of ATTIKO METRO S.A. (AM) Mr. Y. Mylopoulos visited the listed for preservation building of AM, housing the MONASTIRAKI Station entrance/exit, at the corner of Ermou and Athinas streets, where he met with the Managing Director of the company “Booka Chemicals Hellas PC”, on account of the recent cleaning of the building from graffiti and posters. This service was offered free of charge by the above company in the framework of its action plan to clean and protect certain buildings which contribute to the aesthetic upgrading of Athens.