The Temple Mount, located in the heart of Jerusalem's Old City, is where the first and second Jewish temples were constructed, and where Jews believe a third and last temple will be built during the messianic age. The Temple Mount is now under Muslim authority and houses the Dome of the Rock and the Al-Aqsa Mosque. In Judaism, the Temple Mount is considered sacred even today, although it has been prohibited to build on it for political reasons since the late 20th century. Christians also regard the site as holy, but do not pray there because they believe that Jesus' sacrifice on the cross was sufficient payment for our sins. The location of Jesus' crucifixion is also believed to be near the Temple Mount. Muslims believe that Muhammad will appear at the site after his resurrection and accept another submission from Allah's prophet before starting his mission again. According to Islamic tradition, the Prophet Muhammad ordered the construction of the first mosque on the Temple Mount shortly after he received his first revelation from God at the cave near Mecca. This mosque was called the "Place of Prayer for all People", or Tawaf al-Kabirah. It is this mosque that Muslims visit when praying at the site. Since its founding in 638 AD, the city has been ruled by Sunni Muslims who control both the religious and legal systems. A small population of Orthodox Jews remains on the edge of the Muslim community, living among them and maintaining some traditions such as kosher food and prayer services.