Lyon: Visit to the Metro Maintenance Units - Lyon - Heritage Days: The Joint Transport Authority for the Rhône and Lyon Metropolitan Area (SYTRAL), which is the organizing authority and owner of the "TCL" brand, is offering visitors the opportunity to tour the TCL metro maintenance units during Heritage Days and is organizing an exhibition of vintage machinery focusing on the evolution of rail operating systems. (For commercial licensing of this video, please contact contact@wizdeo.com)