Unlike other castles built from solid ice blocks, these are created only with icicles.
Peter Roberts, of North Wales Traffic Control, said falling icicles were a real danger.
Russet rooftops can just be spotted beneath the snow, dripping with exquisite, if murderous-looking, icicles.
Looking up, he watched lines of icicles forming where water sluiced through cracks in the plaster.
The building teams continue adding icicles throughout the season to replenish melt-off and keep the exterior looking fresh.
Photos of the wreckage, turned into an eerie crystal palace dripping with icicles, riveted people around the world.
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Earlier on Tuesday, motorists faced delays on the A55 in Penmaenmawr, Conwy, while icicles were cleared from tunnels in the area.
They will bike a century amid the threat of dreaded nose icicles and play 36 holes of golf on Valentine's Day.
Mr. LABU: There's a lot of icicles hanging lower in the branches.
In search of new cold-weather activities for his children, Christensen decided to build a fort made completely out of icicles, complete with tunnels, caves and a slide.
When my husband and I arrived last December, the peaked roofs were blanketed in snow and hung with icicles, and the lodge's guests were embarked on winter sports: snowshoeing, cross-country skiing, and skating on a private rink (complete with a warming hut serving Cognac and cigars).
When Air Force One landed there were like 50 people waiting to shake my hand -- they got icicles on their eyebrows. (Laughter.) I was like, hey, great weather. (Laughter.) So I want to thank all of you for making the trek out here.
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