Those 'streets' and shacks on ON the lake ice.
On Lake Millacs in Minnesota there are huge ice shack villages. They even put up street signs on the ice, and iirc - one of them has (had?) a U.S. Post Office for the winter.
My sister was walking around one of the lakes in Minneapolis with a guy visiting from Australia. He didn’t believe her that they were ice fishing. “So we end up walking over to one that had some smoke coming out of the chimney and knocked on the door.”
Is that the entire city? I require more civilization if so, but living on lake ice part time is ok by me. Beats living in swamp water!