Warning: This video contains animations, infographics and other visual elements to enhance the narrative.The Ukrainian army has again shifted its offensive target to the Crimean Peninsula and Krasnodar Krai.These regions, which are among the most strategic areas of the southern front lines, have turned into war targets that Russia has difficulty protecting.Kiev has blockaded both regions with its military’s stockpile of drones and missiles.This blockade, which has been going on for a long time, has recently flared up again with the attacks of the Ukrainian army.So what has happened in these regions in recent days?Why is Russia unable to protect these critical areas?