Literally kilometers of underground defenses being cleared... The longest underground corridors of the fortified area in the "gray zone" of the Zaporozhye region In the "gray zone", the front line of the defense of the Zaporozhye region, the area that is visible and under… https://t.co/i5huoNWJx0 pic.twitter.com/2aISUG8Wm4 — GraphicW (@GraphicW5) March 13, 2023