"It was now the fifth sister’s turn...

...her birthday happened to be in the winter and so she saw what the others had not seen on their first visit. The water looked quite green and great icebergs were swimming around in it, each of them looked like a pearl, she said, and yet they were far bigger than the church towers humans built.

They appeared in the most remarkable shapes and glittered like diamonds. She had sat down on one of the largest and all the sailing ships, in fright, gave her a wide berth, where she sat letting the wind play with her long hair; but later in the evening the sky became overcast, there was thunder and lightning, while the black sea lifted the great blocks of ice high up and let them gleam in the red lightning.

The sails were taken in on all the ships, and they were in fear and dread, but she calmly sat on her swimming iceberg and watched the blue stroke of lightning zigzag down into the gleaming sea."