What opera song was sung in the documentary two men and a war?

In the documentary "Two Men and a War," the Opera song featured is "Nessun dorma" from Giacomo Puccini's opera "Turandot." This powerful aria is sung by the character Calaf and is known for its dramatic melody and emotional depth, symbolizing hope and triumph. Its inclusion in the documentary enhances the themes of struggle and resilience depicted in the film.