For one of the latest attractions, however, you have to travel by escalator into the bowels of the earth beneath the city, to the so-called "stazioni dell'arte of the MetroNapoli underground system ??? where a number of the stations on lines 1 and 6 have been created by famous artists and designers including Gae Aulenti, Vittorio Magnago Lampugnani, Alessandro Mendini and Karim Rashid.