Jón Sigurbjörnsson and his wife have resided on an isolated Icelandic farm for most of their lives, but facing a severe winter, they’ve agreed to spend this season in a retirement home with central heating and double-glazed windows, at the urging of their daughter. As their last weekend at the farm draws near, he insists over the phone that she doesn't come to pick them up until Monday. The reason for this is fairly …