WWI: aerial views of the trenches of Vieil Armand in the Vosges A series of aerial images filmed by drone show the trenches of Vieil Armand, formerly called Hartmannswillerkopf, in the Vosges mountains of eastern France on June 25, 2018. Approximately 30,000 French and German soldiers died during World War I at the Vieil Armand site, a 956-metre high mountain in the Alsace region. IMAGES