But on the ice bridges, covered with snow though they were, precautions could be taken.

But each year officials catch several people on the ice bridge or wandering dangerously close to falls.

In the winter an ice bridge was constructed for the train to use.

This ferry runs most of the year, except into the winter months when an ice bridge is opened.

They come to an ice bridge over a crevasse and Pingu doesn't want to cross.

"Did you know Antarctica is really two continents, not one, joined together by an ice bridge?"

The highway relies on ferries and ice bridges to get across the rivers.

In the winter, an ice bridge is maintained at the same spot.

But on the way back, an ice bridge that Balto is crossing breaks under his feet.

The ice bridge collapsed rapidly, turning into hundreds of icebergs.