 Complete the following phrase:  The House of Soviets is situated at the historic center of Rostov-on-Don, at Soviets Square. It was initially planned that the building would have 1000 rooms, a conference hall, canteens, a post office, a hairdresser, buffets, a printing house and other services. Its crown was to be a cylindrical building with a conference hall. However, this was still under construction at the time of the 