Inside the walls are numerous historic villas, well preserved examples of the classical period of Ottoman architecture, most built in the early 19th century. The Kızıl Kule (Red Tower) is a high brick building, standing at the harbor below the castle, and containing the municipal ethnographic museum. Sultan Kayqubad I brought the architect Ebu Ali from Aleppo, Syria to Alanya to design the building. The last of Alanya Castle's , the octagonal structure specifically protected the Tersane (dockyard), it remains one of the finest examples of medieval military architecture. The Tersane, a medieval drydock built by the Seljuk Turks in 1221, is divided into five vaulted bays with equilateral pointed arches. The Alara Castle and caravanserai near Manavgat, also built under Kayqubad's authority, has been converted into a museum and heritage center. Atatürk's House and Museum, from his short stay in the city on February 18, 1935, is preserved in its historic state and is an example of the interior of a traditional Ottoman villa, with artifacts from the 1930s. The house was built between 1880 and 1885 in the "karniyarik" (stuffed eggplant) style. Bright colors and red roofs are often mandated by neighborhood councils, and give the modern town a pastel glow. Housed in a 1967 Republican era building, The Alanya Museum is inland from Damlataş Beach. Alanya is a member of the Norwich-based European Association of Historic Towns and Regions. In 2009, city officials filed to include Alanya Castle and Tersane as UNESCO World Heritage Sites, and were named to the 2009 Tentative List. Demographics From only 87,080 in 1985, the district has surged to hold a population of 384,949 in 2007. This population surge is largely credited to immigration to the city as a result or byproduct of the increased prominence of the real estate sector and the growth of the housing market bubble. In 2007, the city itself had a population of 134,396, of which 9,789 are European expatriates, about half of them from Germany and Denmark. 17,850 total foreigners own property in Alanya. There are a lot of Iranians who have settled in the city. During the Persian New Year a lot of Iranians go to Alanya for vacation. The European expatriate population tends to be over fifty years old. During the summer the population increases due to large numbers of tourists, about each year pass through the city. Both Turks and Europeans, these vacationers