Engine reverse thrust
The reverse thrust system of a CFM56-7B. The reverser doors are cascade in nature and the interesting part is the plates within the engine which seal the bypass air deflecting it forward which aids in stopping the aircraft.
Boeing 747 - 400 Amazing Landing and Reverse Thrust Spray - Eva Air
Eva Air 747 landing at SIN after some heavy showers, with some nice wing-flex.
737 thrust reversers, spoilers, and flaps in down position
This is at the Aviation Technology Center in Indianapolis.
Airbus A320 Cold start -28C
CFM-56 on this A320 starting up on a cold January day (-28C).