immigrants. French Hill junction is one of the busiest junctions in Jerusalem, with tens of thousands of vehicles passing through it daily. As part of the French Hill tunnels project being implemented by the Jerusalem Municipality and the Ministry of Transportation, four tunnels are being built to ease the traffic congestion for residents travelling into the city. Demographics In 2002-2003, French Hill had a population of 6,631. Giv'at Shapira had a population density of 10.9 persons per dunam (10,900 people/km²), while Tzameret HaBira was less crowded, with 4.7 persons per dunam (4,700 people/km²). The population is mostly Jewish, including a large number of immigrants from South America and the former Soviet Union.In recent years, an increasing number of Arabs have been buying apartments in the neighborhood. The neighborhood has also seen a large influx of Orthodox Jews. The ethnic mix is much more diverse than in most other Jewish areas in the city, partly due to the proximity of the Hebrew University and Hadassah Hospital on Mount Scopus. Schools and religious institutions French Hill has 9 synagogues. One of them, Kehillat Ramot Zion (), is a Masorti congregation. The first elementary school in Israel run by the movement, the Frankel School, was established in Givat Shapira (French Hill). Economy The Dan Jerusalem Hotel, originally the Hyatt Regency, has 502 guestrooms and suites, making it Jerusalem's largest hotel. The terraced structure was designed by Israel Prize-winning architect David Reznik. Arab-Israeli conflict The French Hill intersection which connects northern Jerusalem to Maale Adumim and the Dead Sea has been the site of eleven Palestinian terror attacks. According to an article by the U.S. News & World Report, "the busy thoroughfare, which divides the Jewish neighborhood of French Hill from the Arab neighborhood of Shuafat, is the most accessible corner in the city for a West Bank terrorist looking for a crowd of Israelis." In 2004, members of the al-Aqsa Martyrs' Brigade shot and killed George Khoury, an Israeli Arab economics student, while he was jogging in French Hill, having mistaken him for a Jew. Archaeology A 2,700 year old citadel with an open courtyard and rooms on both sides was discovered at the end of the 1960s on a hilltop on French Hill. Archaeologists believe it was part of a series of citadels built to guard Jerusalem during the First Temple Period.A salvage dig in 1970-1971 unearthed late Hellenistic and Herodian tombs.