A house and garden is illuminated ahead of Christmas in Olching near Munich December 11, 2014. The house is decorated with more than 30,000 lights. Every year hundreds of houses across Germany are decorated by their owners with lights ahead of Christmas. (Photo by Michaela Rehle/Reuters)

A house and garden is illuminated ahead of Christmas in Olching near Munich December 11, 2014. The house is decorated with more than 30,000 lights. (Photo by Michaela Rehle/Reuters)

A general view shows a so-called “Lichterhaus” (light house) with Christmas decorations and lights in Berlin, December 10, 2014. (Photo by Fabrizio Bensch/Reuters)

A general view shows a so-called “Lichterhaus” (light house) with Christmas decorations and lights in Berlin, December 10, 2014. (Photo by Fabrizio Bensch/Reuters)

Figures are pictured at a so-called “Lichterhaus” (light house) with Christmas decorations and lights in Berlin, December 10, 2014. (Photo by Fabrizio Bensch/Reuters)

A general view shows a so-called “Lichterhaus” (lights house) with Christmas decorations and lights in Berlin, December 10, 2014. (Photo by Fabrizio Bensch/Reuters)

An illuminated Christmas train is pictured in a garden of a house decorated for Christmas in Hamburg-Heimfeld, December 11, 2014. (Photo by Fabian Bimmer/Reuters)

A house decorated for Christmas is pictured in Hamburg-Heimfeld, December 11, 2014. (Photo by Fabian Bimmer/Reuters)

A house is decorated with a huge “Star of Bethlehem” in the village of Brueggen near the western German city of Moenchengladbach December 15, 2014. (Photo by Wolfgang Rattay/Reuters)

A house in the town of Stolberg near the western German city of Aachen is decorated for Christmas with some 200,000 LED lights December 16, 2014. (Photo by Wolfgang Rattay/Reuters)

Three illuminated reindeer are seen at an decorated Christmas house in the town of Stolberg near the western German city of Aachen December 16, 2014. (Photo by Wolfgang Rattay/Reuters)

A Santa Claus figure sits on the chimney of a toy house in front of an illuminated house in the town of Stolberg near the western German city of Aachen December 16, 2014. (Photo by Wolfgang Rattay/Reuters)