HOUGHTON, MI -DEC. 12, 2014: Bob Makolin, 85, and his wife Bertha Makolin, 85, sit beneath memorabilia for a portrait in the Calumet Colosseum in Calumet, MI Friday, Dec. 12, 2014. The Calumet Colosseum is the oldest hockey rink in existence and the two visit three days a week for exercise and to socialize. Lauren Justice for The New York Times