The Menorah Center is the largest Jewish complex in the world. It is a global landmark that has helped Dnepropetrovsk’s touristic image and investments. The Menorah Center is located in the very heart of the city, at the junction of the main traffic flows connect the left and right banks of the Dnepr river. The center is consists of seven towers, built in the shape of a seven-branched candelabrum (menorah). The total area of the complex is roughly 50 000 m2. The complex offers different services for the city residents and visitors. The ventilation system consists of supply and extract duct systems and supply units.