sentences:  Gliwice's medieval old town was mostly destroyed by the Red Army in World War II, but it has since been rebuilt and has undergone a major restoration in recent years.Gliwice's most historical structures include (15th century), Gliwice Castle and city walls (14th century), (originally a hospital, 15th century) and (15th century).Gliwice is also known for its Radio Tower, where Gleiwitz incident happened shortly before the outbreak of World War II and which is thought to be the world's tallest wooden construction, as well as Weichmann Textile House, one of the first buildings designed by world-renowned architect Erich Mendelsohn.