In eastern Ukraine, white nylon nets now stretch over roads and city streets, a low-tech defense against deadly FPV drones that dominate the battlefield and threaten civilians near the front line. IZIUM, Ukraine — It's not the sight of 19th century buildings pockmarked by shell fragments and bullets that shocks visitors most in this eastern Ukrainian town. It's the fact that they drive into the city through a corridor of white drone netting. I... [5161 chars]