This fascinating 5-part series unearths the untold story about how the Great War went underground — the tales of tunnellers and miners who dug under the enemy when there was no other choice but to attack from beneath. Five legendary battles. Five tales of human sacrifice and tenacity. Five bloody battles that involved men from all over the world. / In this unique take on World War I, archaeologists Andy Hawkins and Julia Richardson of the British Durand Group meet up with German, Austrian and French historians and experts, who together explore actual WW1 tunnels - from the Italian Alps to the plains of Belgium, in an attempt to uncover the true story of this horrific hidden war. Featuring expert reconstructions, unique aerial drone footage of the fronts, and never-before seen images of tunnels and bunkers in Italy, Austria, France and Belgium. (Source: FactTV) Currently 0/10