The winner of the ice sculptures is this one: Epilogue, by Samuel Girault from France and Michal Mizula from Poland.
It melted a bit, so I am also posting the art:
ice
Amytis’s Gift
Amytis’s Gift, created by Gabriel Giammaria and Nathan McKeough from Ottawa, ON, Canada.
Growl
This bear seems to be growling at the TARDIS. What did the Doctor do? (This bear was HUGE – 2-3x bigger than me!)
Ice Bear
This ice bear stopped eating his fish long enough to stare at the TARDIS.
