Deadly winter storm causes widespread damage in New York state.
Niagara Falls almost freezes over due to sub-zero temperatures.
Buffalo hit hard with 28 deaths and heavy snowfall.
Thousands are without power, and a driving ban is in place.
In 1912, three people died on the ice bridge, and walking was banned thereafter.
President Biden issued the emergency declaration for federal support.
Thousands of flights were canceled, leaving passengers stranded.
In severe winters, an "ice bridge" can form at the base of Niagara Falls.