@guardian: It’s been exactly two years today since Vladimir Putin launched his full scale invasion of Ukraine - “and the fighting on the frontline seems as intense as ever,” says our Moscow correspondent, Andrew Roth. Western officials have estimated that hundreds of thousands of people have died in the conflict, which has evolved into what experts call the world's first full scale drone war, with hundreds of the devices firing explosives every day. But in the past 12 months, the frontline has barely moved and some say a stalemate has been reached. Here Andrew explains why the frontlines seem to be frozen and why the war is dragging on. For the full video explainer tap the link in bio #ukraine #russia #ukrainerussia #putin #zelensky #guardianexplainer #explainer