His body and belongings are now displayed in the South Tyrol Museum of Archaeology in Bolzano in the Southern Tyrol ( Trentino-Alto Adige\/S Ã 1\/4 dtirol ) . Since 1998 it has been on display at the South Tyrol Museum of Archaeology in Bolzano , Trentino-Alto Adige\/S Ã 1\/4 dtirol .