A massive snowstorm has paralyzed the northeastern United States, with New York City being particularly hard-hit, leading to the declaration of a state of emergency. Millions of residents are affected as roads and schools have been shut down, thousands of flights canceled, and power outages reported. The mayor has described the event as the most significant storm of the decade, with video footage capturing the overwhelming snow accumulation in the metropolis. The severe weather conditions have brought public life to a standstill across the region.