which 3,000 Muslims may offer prayer. The Abu Darweesh Mosque, noted for its checkered black-and-white pattern, has an architectural style that is unique to Jordan. The mosque is situated on Jabal Ashrafieh, the highest point in the city. The mosque's interior is marked by light-colored walls and Persian carpets. During the 2004 Amman Message conference, edicts from various clergy-members afforded the following schools of thought as garnering collective recognition: Hanafi, Hanbali, Maliki, Shafi'i, Ja'fari, Zahiri, Zaydi, Ibadi, tassawuf-related Sufism, Muwahhidism and Salafism. Amman also has a small Druze community. Large numbers of Christians from throughout Jordan, particularly from al-Salt, have moved to Amman. Nearby Fuheis is a predominantly Christian town located to the northwest of the city. A small Armenian Catholic community of around 70 families is present in the city. Ecclesiastical courts for matters of personal status are also located in Amman. A total of 16 historic churches are located in Umm ar-Rasas ruins in Al-Jeezah district; the site is believed to have initially served as Roman fortified military camps which gradually became a town around the 5th century AD. It has not been completely excavated. It was influenced by several civilizations including the Romans, Byzantines and Muslims. The site contains some well-preserved mosaic floors, particularly the mosaic floor of the Church of Saint Stephen. Cityscape Downtown Amman, the city center area (known in Arabic as Al-Balad), has been dwarfed by the sprawling urban area that surrounds it. Despite the changes, much remains of its old character. Jabal Amman is a well-known tourist attraction in old Amman, where the city's greatest souks, fine museums, ancient constructions, monuments, and cultural sites are found. Jabal Amman also contains the famous Rainbow Street and the cultural Souk Jara market. Architecture Residential buildings are limited to four stories above street level and if possible another four stories below, according to the Greater Amman Municipality regulations. The buildings are covered with thick white or beige limestone or sandstone. The buildings usually have balconies on each floor, with the exception of the ground floor, which has a front and back yard. Some buildings make use of Mangalore tiles on the roofs or on the roof of covered porches. Hotels, towers and commercial buildings are either covered by stone, plastic or glass. High-rise construction and towers Zahran district in west Amman is the location of the Jordan Gate Towers, the first high-rise towers in the city.