That there's a Type 89 medium tank I-Go that crawled atop a Panzer VIII Maus to keep the turret from rotating. Just outside the frame there's a Jagdpanzer 38(t) "Hetzer" beneath the Maus, which served as both a ramp for the 89 and as a chock. A third tank, a Panzer IV, was able to neutralize the Maus before it shook