Danish architecture studio CEBRA has revealed a proposal for a snowflake-shaped ski dome that would be the biggest in the world, with three kilometres of slopes arching over a river in the Danish city of Randers. More »

Danish architects BIG seem to have a thing for skiing on rooftops and have designed some more buildings that double up as ski slopes, this time for a resort in Lapland. More »

Norwegian architects Fantastic Norway have designed a mountain lodge with a sloping roof that you can ski over. More »

Japanese studio Design Spirits refurbished this cafe at a ski resort in Hokkaido by inserting timber lattice partitions. More »

Patkau Architects of Canada created this group of temporary plywood skating shelters huddled together by a skating trail along a frozen river in Winnipeg. More »

Here are a few images of the Holmenkollen ski jump in Norway by JDS Architects, which is now complete (see it under construction but already in use in our earlier story). More »

Audi Concept Design Munich have developed a carbon ski design that combines technology from the motorsports and winter sports industries. More »

Danish architects Bjarke Ingels Group have won a competition to design a power plant for Copenhagen with their design that will blow smoke rings and double up as a ski slope. Update: this project is included in Dezeen Book of Ideas, which is on sale now for £12. More »

Still not sure what to do with your left-over Christmas tree? Royal College of Art student Tom Hatfield has turned a few of them into a sledge. More »

Something a bit seasonal: designer Rolf Sachs has fused two sledges together to make a coffee table. More »

The Holmenkollen ski jump by JDS Architects has opened in Oslo, Norway. More »

Spanish studio Stone Designs have converted a log cabin into a cafe at a ski station near Teruel, Spain, using climbing ropes and felt. More »

Latvian architects Substance have built a sports hall in Jurmala, Latvia, inspired by chunks of amber washed up on the Baltic coast. More »

Construction is underway in Oslo, Norway, on the new Holmenkollen ski jump designed by JDS Architects. More »