Outside, combed reeds frame the scene; inside, low beams, cosy rooms and an open fire.

Outside, shaggy reeds frame the scene; inside, a roaring fire in the inglenook fireplace and low oak beams complete the idyll, with uneven floorboards adding a wonky kind of charm.

The lion and unicorn once again frame the scene holding up the pennants.

In the background, a vine frames the scene between the hero and the deities.

Many complicated algorithms exist that can track motion between frames and generate intermediate frames that scene.