 Dunelm House for the use of the students' union was built first, followed by Elvet Riverside, containing lecture theatres and staff offices.To the southeast of the city centre sports facilities were built at Maiden Castle, adjacent to the Iron Age fort of the same name, and the Mountjoy site was developed, starting in 1924, eventually containing the university library, administrative buildings, and facilities for the Faculty of Science.Durham was not bombed during World War II, though one raid on the night of 30 May 1942 did give rise to the local legend of 'St Cuthbert's Mist'.