1.   The river is freezing cold this time of year.

2.   In winter the river froze, and the winds howled.

3.   The men prayed all night, and by morning the river had frozen solid, allowing the people and their teams to cross.

4.   The river has frozen more than a few rookies in past competitions.

5.   They also benefit from a longer fishing season than U.S. producers, because their rivers never freeze.

6.   When the river froze, Washington knew, the British would walk across the ice, flatten his army, and roll on to victory in Philadelphia.

7.   When the rivers of southern Kyrgyzstan freeze in the winter, children walk across them with bundles of opium poppies strapped to their backs.