MINNETONKA, Minnesota, July 31 -- Rezidor Hotel Group issued the following news release: Radisson Hotel Group is proud to announce the opening of Radisson Residences, Cairo Heliopolis located in the heart of Egypt's vibrant capital in the famous Heliopolis district and the first Radisson Residences in Cairo. Radisson Residences, Cairo Heliopolis is an ideal gateway to exploring the ancient wonders of Cairo, including the UNESCO World Heritage Site of Old Cairo. This historic area is famed for more PR