tree line

Russia has thrown infantry into deadly assaults along tree lines and through villages around the city, while Ukraine has used explosive drones to keep them at bay.

Her frantic run down to the tree line, which covered several miles and about 2,000 vertical feet, took at least an hour.

When they’re not used for moving soldiers, they sit under camouflage netting along tree lines.

"Where they are currently, that is some rugged terrain and a lot of tree lines," he said.

He used to farm the fields nearby their dug-out – hidden in a tree line.