Before two o'clock in the morning, they finished.
On the deck, a group of people stood, each one without exception wearing a thick coat, wrapped up like penguins.
If it were normal times, it wouldn't even be daylight yet, and everyone would still be asleep, but now quite a few people had come.
Clearly, everyone had gotten up to watch the aurora.
The huge cruise ship glided through the sea filled with floating ice, smashing pieces of thin ice, leaving behind a clear trail in the water.
The Arctic Ocean is a sea covered with sea ice, three-quarters of which is perennially not melting, with a large amount of floating ice and icebergs on the rest of the sea surface.
About half of the seawater here will be frozen all year round; the rest will melt in spring and freeze up again in winter,
The central region's sea ice has even existed for three million years, belonging to the permanent ice cover.