Which element from Through the Looking Glass could only appear in fantasy fiction?

a cat cleaning its kittens
snow against the window panes
Alice stepping through the looking glass
a fire blazing in the fireplace

1 answer

The element from "Through the Looking Glass" that could only appear in fantasy fiction is Alice stepping through the looking glass. This action involves a fantastical transition to another world, which is a hallmark of fantasy literature and wouldn't occur in a realistic context.