Pelicans are seen as they enjoy the sun and the warm temperature of around 18 degrees Celsius ( 64 degrees Fahrenheit) in their outdoor enclosure at Schoenbrunn zoo, in Vienna, on Friday, March. 19, 2010.

A jaguar sticks out its tongue as it strolls through its outdoor enclosure in a Spring temperature of around 18 degrees Celsius (64 degrees Fahrenheit) at the Schoenbrunn zoo, in Vienna, on Friday, March. 19, 2010.

A gibbon with her cub enjoys the sun and the warm temperature around 18 degrees celsius (64 degrees fahrenheit) in their outdoor enclosure at Schoenbrunn zoo, in Vienna, on Friday, March 19, 2010.

Lions seen in their outdoor enclosure at Schoenbrunn zoo, in Vienna, Friday, March 19, 2010, as the temperature reached to around 18 degrees Celsius ( 64 degrees Fahrenheit).

Two swans are sitting on the partly frozen lake Zeller See in Zell am See in the Austrian province of Salzburg, on Thursday, March 18, 2010. Meteorologists predict warm temperatures for the upcoming days.

A woman enjoys the warm spring-like weather on a bench at the lakeside of the frozen lake Zeller See in Zell am See in the Austrian province of Salzburg, on Thursday, March 18, 2010. Meteorologists predict warm temperatures for the upcoming days.

In this Wednesday, March 17, 2010 photo provided by the New Zealand Defence Force is showing a village on the Fijian island of Cikobia following a destructive cyclone. The storm, packing winds of up to 130 miles (205 kilometers) per hour and gusts of up to 175 mph (280 kph), first hit Fiji late Friday.

A hiker enjoys the warm spring-like weather in the Olympic park in Munich, southern Germany, as he walks behind a slowly melting pile of snow on Wednesday, March 17, 2010.

In this image taken from video, a man stands next to a destroyed houses in Suva, Fiji, Wednesday, March 17, 2010, following Cyclone Tomas hit the country last week. Fiji has suffered overwhelming damage in a powerful weekend cyclone, the prime minister said Wednesday, March 17, as the first word of houses blown away, trees uprooted, and roads blocked trickled in from regions cut off since the storm.

In this image taken from video, destroyed houses are seen beside fallen trees in Tava-Nui, Fiji, Wednesday, March 17, 2010, following Cyclone Tomas hit the country late Friday. Fiji has suffered overwhelming damage in a powerful weekend cyclone, the prime minister said Wednesday, March 17, as the first word of houses blown away, trees uprooted, and roads blocked trickled in from regions cut off since the storm.