 It was designed as a multi-levelled, vaulted glass-ceiling galleria, modelled after the Galleria Vittorio Emanuele II in Milan, Italy.At the time of its opening in 1977, the interior design of the Eaton Centre was considered quite revolutionary and influenced shopping centre architecture throughout North America.Plans originally called for the demolition of Old City Hall and the Church of the Holy Trinity, but these were eventually dropped after a public outcry.