METROCOSMOS

The Paris Metro spans 220 km with 16 lines, serving over 4 million daily passengers. The "Grand Paris Express" expands the system, while figures like rapper Oddateee, climber Ekton, and stuntman Victor Lainé showcase its unique culture.

The 'Metropolitana di Napoli' is bursting with energy, despite challenges like archaeological finds and earthquakes. Art historian Maria Corbi, celebrated architect Doriana Fuksas, and TikTok star METROMAN highlight the city's spirit.

Prague's metro moves a million people every day. While 'sound hunter' Charles Rose captures the sounds of the escalators and a special train cleans the tunnels at night, Prague's passengers are caught between history and modernity.

Germany's largest underground network in Berlin is brimming with stories. Anton Hangschlitt reveals his passion, Infidelix adds vibrancy through his music, and the artist collective "Rocco and his brothers" crafts hidden installations.