Nursultan Nazarbaev returned to Kazakhstan on 6 March, ending an official visit to Saudi Arabia that began on 2 March, Khabar Television reported on 6 March. Summing up his visit, Nazarbaev stressed the possibility of future bilateral energy-sector cooperation. \"Today there exists a tremendous potential for bringing in specialists from Saudi Arabia\'s oil industry, and especially SABIC [Saudi Basic Industrial Corp.], which produces oil and gas equipment, builds petrochemical plants, and makes petrochemical products.\" Nazarbaev invited Saudi Arabia\'s king and crown prince to visit Kazakhstan, an offer Saudi Crown Prince Abdullah accepted. In addition to meeting with Crown Prince Abdullah, Nazarbaev held talks with ministers and visited the holy cities of Mecca and Medina, where he performed the Umra, or lesser pilgrimage. (RIA-Novosti)