Soldiers spend weeks or even months in a cramped shelter in a so-called "kill zone," a stretch as long as 20km that is largely controlled by enemy drones. There is no way to reach a position by vehicle or evacuate the wounded. Ammunition and food supplies are constantly interrupted.

All of this has become everyday life along the front line during four years of Russia's full‑scale war against Ukraine. Ukrainian military personnel tell DW how the war has changed...