Encrusted in icy snow like some gigantic futuristic castle

The huge Hauptbahnhof, the main railway station in Berlin,
covered in icy snow

The small family set off on the long journey back to England.

Encrusted in icy snow like some gigantic futuristic castle in a freezing winter scene. Berlin Hauptbahnhof - the largest train station in Europe - loomed before them in the dim light.