A Joke from Iceland

In the interests of finding something cheerful, I went to the Iceland Review and found a video of the stand up comedian Jon Gnarr, who is the new mayor of Reykjavik. The skit was called, "Denmark sucks." I felt it was only mildly funny, though the sense of humor has a strange interest. He starts out by saying, "Norway sucks. But they have nice fences." That does strike me as funny, though I can't say why.