In Photos: The Remote Arctic Settlement Where Alexei Navalny Spent His Final Weeks

"I am your new grandfather Frost," Navalny said in a social media post on Dec. 26, his first since arriving at IK-3 in Kharp.

"I have a tulup, an ushanka and I will have valenki soon," he said.

"I now live above the Arctic Circle ... But I don't say 'ho-ho-ho, I say 'oh-oh-oh' when I look out the window, where first there is night, then evening, then night again."