Armenian genocide 100 years on: 'We were raised with this trauma. It's in our blood' – video

After 50 years living in Switzerland, 67-year-old Armenian Bogos Tomasian returns to his village near the town of Mutki in Turkey to commemorate the centenary of the Armenian genocide of 1915, when historians estimate up to 1.5 million Armenians were killed by Ottoman Turks. He expresses his grief through song