One of our Commenters madogthefirst posted a YouTube video in comments. I’ve taken a close look at it and it looks legit. At about 1:45 in he shoots through an open gate, fair enough then at about 2:07 in the arty shell looks to cause some splash damage through the stone wall. The explosion should have been far enough from the break in the wall to shield the tank from the blast. If not that’s some poor blast modeling or a bug.