Why...?Specials Staffel 0SpecialsWhy...? 1 Episoden12/08/2019 Episoden Episode 1 S0 · E1 · 12/08/2019 · 58 minWhy Bridges Collapse: The Genoa DisasterThe story of some of the people on the Polcevera Bridge on the day of its collapse, investigating what caused the bridge to fail so catastrophically.