Drones buzz overhead, troops hunker underground in Ukraine's hellish Kill Zone
The frontline in the Russia-Ukraine war stretches more than 700 miles and has barely moved in four years. Yet straddling this line is the Kill Zone, dominated by constantly evolving drone technology.
<p>The frontline in the Russia-Ukraine war stretches more than 700 miles and has barely moved in four years. Yet straddling this line is the Kill Zone, dominated by constantly evolving drone technology.</p>