From florist to drone maker: How the weapon became so mainstream

The ongoing conflict in Ukraine is often described as the world's first drone war. It has led to a continuing huge growth in the production of military drones, both within and outside Ukraine. Before Russia's invasion of Ukraine Kseniia Kalmus was a floral artist. Now, she makes drones for use against the Russians. It was just an obvious decision for me, she tells the BBC from the Ukrainian capital.