Temple of Janus (Roman Forum) Temple of Janus (Roman Forum) In ancient Rome, the main Temple of Janus as it is often called, although it was not a normal temple, stood in the Roman Forum near the Argiletum. It had doors on both ends, and inside was a statue of Janus, the two-faced god of boundaries. The doors (the "Gates of Janus") were closed in times of peace and opened in times of war. According to Livy 1.19 the second king of Rome, Numa Pompilius, decided to distract the early, warlike Romans from their violent ways by instilling in them awe and reverence. His projects
Platform screen doors go in this tunnel. These doors are built one meter from the platform edge and do not restrict the train type. Zurich International Airport's Skymetro shuttle between the main building (hosting terminals A and B) and the detached terminal E has glass screen doors separating the tracks from the passenger hall platforms at both ends. Lausanne Metro's Line M2 has glass screen doors at every station. Platform screen doors and automatic platform gates were both installed from the beginning with the opening of the then Muzha Line (now the Wenshan line, the first metro line in Taiwan) of the Taipei