Heavy flooding and avalanches continues to cause havoc across Europe.
The extreme weather blocked some routes into the city, while several pre-summit meeting had to be cancelled or delayed.
Avalanche warnings across the Alps in Switzerland, Italy and Austria.
Villages are cut off and isolated as the railway and the roads were closed due to the danger of avalanches. This includes the Swiss ski resort of Zermatt for the second time in two weeks
High humidity and low temperature enveloped the trees and grasses with ice and frost around the lake, forming natural-looking ice sculptures of various shapes.
Around 430 passengers in Niigata Prefecture were forced to spend the night on a packed four-car train after it got stranded by heavy snow along the Sea of Japan coast.
Explosives powerful enough to blow up a house are being used to keep skiers safe from the risk of avalanches.
Improving weather likely to end ordeal for tourists trapped for up to two days by heavy snow and avalanche alerts.
Helicopters fly stranded tourists out of the Swiss resort.
Hundreds of roads across the Alps in France, Italy and Switzerland were closed, cutting off resorts and villages, after the kind of snowfall that only comes once every 30 years.
The Swiss resort has been fully closed to traffic in and out since Monday evening after authorities raised the avalanche risk to the maximum level of five.
Not even the Sahara can escape January's cold snap
From snow in Spain, to rising French and German rivers: Europe struggles under winter weather, but in Hungary temperatures hit unusual highs.
Heavy snow and rainfall have prompted several countries to issue alerts and order evacuations amid threats of floodings, landslides and avalanches
A large swathe of the northern US from Montana to Maine is expected to see temperatures below -12 degrees Celsius - and that's putting lives at risk.
A 16-year old German boy has died after starting a snowball fight with friends and touching an electric line above a train
Hundreds of frustrated passengers were stranded at London Stansted Airport on Wednesday night because of 'adverse weather'
Americans are behaving responsibly with huge snow drifts
Across the United States snow continues to fall
Yellow weather alerts have been issued for ice in Scotland, Northern Ireland and north-east England and snow in Wales and parts of England.
135 cm of snow has fallen in the town of Erie, Pennsylvania
Hundreds of schools were closed for a second day across Britain on Tuesday as snow continued to disrupt travel across the country.
A second day of snowfall in several countries caused disruption for some, entertainment for others—allowing many to share their experiences on social media.
UK Snow: Severe weather has caused widespread travel disruption, grounding flights, shutting down roads and triggering traffic accidents.
A series of unusual weather events has taken place across the continent.
A snow-covered chapel is seen, after the first snowfall of the season, in the western Austrian village of Tulfes.