You can watch this on Hidive, but it's also on YouTube:
This was released in 1987!
Full rotating camera done with hand drawn cell animation!
Nowadays, you would render the background with a computer model. The effort involved here must have been massive! For just a few moments of effect.
When they get ahead, the M-66 triggers a partial collapse of the building to get at them.
Scrabbling away, throwing whatever they can get to slow it down, they are left on a slim outcrop.
A mistriggered explosive goes off at the wrong time and the M-66 falls off the building.