Craft a scene within a medieval castle's great hall, where knights gather around a massive round table, discussing matters of chivalry and honor.

High-tech Mars colony, with domed habitats, astronauts exploring the red landscape, and a futuristic rover.

A macro shot of crystals forming on a leaf or branch in winter.

A galaxy cluster, a riot of color and light in deep space.

Close-up of a dewdrop reflecting the colors of a rainbow.