Frozen Niagara Falls and snowball fights as US snow continues
18 February 2015 Last updated at 13:51 GMT
As cold and snowy weather continues to affect the US, part of Niagara Falls has frozen over.
In Washington, snow shovels were out at the White House, and cross-country skiers have been seen near Capitol Hill.
And a giant snowball fight has also taken place in the US capital.
Jane Peel reports.