Terrifying GoPro video from tanks in Syria's war zone

Wow...
This is worth seeing. It's an hour long video.

http://sploid.gizmodo.com/incredible-footage-from-tanks-in-syrias-warzone-is-utt-1548084560/@caseychan

Question; How does some tanks seems to go in reverse quickly and maneuvers in those treacherous  and narrow streets without missing a beat? Can the driver see anything going backward, on twisty road?