Negev constructed in the Negev to accommodate 10,000 army personnel and 2,500 civilian staff. Three more bases will be built by 2020 as part of a plan to vacate land and buildings in Tel Aviv and central Israel, and bring jobs and investment to the south. The Negev Desert and the surrounding area, including the Arava Valley, are the sunniest parts of Israel and little of this land is arable, which is why it has become the center of the Israeli solar industry. David Faiman, an expert on solar energy, feels the energy needs of Israel's future could be met by
Negev Bedouin to Baghdad during the subsequent Abbasid reign. Most of the Negev Bedouin tribes migrated to the Negev from the Arabian Desert, Transjordan, Egypt, and the Sinai from the 18th century onwards. Traditional Bedouin lifestyle began to change after the French invasion of Egypt in 1798. The rise of the puritanical Wahhabi sect forced them to reduce their raiding of caravans. Instead, the Bedouin acquired a monopoly on guiding pilgrim caravans to Mecca, as well as selling them provisions. The opening of the Suez canal reduced the dependence on desert caravans and attracted the Bedouin to newly formed settlements that sprung