S1, E5: In 1944, cameraman Felix Forestier was secretly sent to film the French Resistance in Vercors. His unique footage was lost and forgotten until 2013. Why did the Maquis Du Vercors become a symbol of the French Resistance?

S1, E5: In 1944, cameraman Felix Forestier was secretly sent to film the French Resistance in Vercors. His unique footage was lost and forgotten until 2013. Why did the Maquis Du Vercors become a symbol of the French Resistance?