Drone footage of Ukrainian army defensive fortifications in the Zaporizhia region. Ukraine's line of defense is multi-layered, including anti-tank obstacles, ditches, barbed wire, and possibly mines. According to Ukrainian Defense Minister Shmyhal, 2,130 platoon strongpoints, over 3,000 kilometers of anti-tank ditches, and over 1,000 kilometers of defensive pyramids have already been constructed. 16,000 kilometers of Egoza-type barrier lines and 4,300 kilometers of low-visibility obstacles have also been installed. Defensive fortifications are being built in the Donbas, Zaporizhia, Sumy, Kharkiv, Chernihiv, and Kyiv regions.