| Ice can also have some quite other proportions when winter strikes for real. Up to the 1980'ies it was quite normal that the sea ice in the winter created major obstacles for the ferry traffic between Denmark and Sweden. |
| Ice can also have some quite other proportions when winter strikes for real. Up to the 1980'ies it was quite normal that the sea ice in the winter created major obstacles for the ferry traffic between Denmark and Sweden. |
