. "1929Z"^^ . . . "1905Z"^^ . "The Aerial Lift Bridge (earlier known as the Aerial Bridge or Aerial Ferry Bridge) is a major landmark in the port city of Duluth, Minnesota. The span began life as an extremely rare transporter bridge \u2014 the first of just two such bridges ever constructed in the United States. Originally built in 1905, the bridge was upgraded in 1929\u201330 to a vertical lift bridge, which is rather uncommon, and continues to operate today."@en . "1973-05-22Z"^^ . "Aerial Lift Bridge"@en . "73002174" . .