How many people live in the same city as the location of the CBRL research institute in Jordan?
Amman Amman ( ; Arabic: عمّان‎ ‎ "ʻammān " ] ) is the capital and most populous city of Jordan, and the country's economic, political and cultural centre. Situated in north-central Jordan, Amman is the administrative centre of the Amman Governorate. The city has a population of 4,007,526 and a land area of 648.7 sqmi . Today, Amman is considered to be among the most liberal and westernized Arab cities. It is a major tourist destination in the region, particularly among Arab and European tourists.
Mecca Mecca ( ) or Makkah (Arabic: مكة ‎ ‎ "Makkah " ] ) is a city in the Hejaz region of Saudi Arabia that is also capital of the Makkah Region. The city is located 70 km inland from Jeddah in a narrow valley at a height of 277 m above sea level, and 340 km south of Medina. Its resident population in 2012 was roughly 2 million, although visitors more than triple this number every year during the "hajj" ("pilgrimage") period held in the twelfth Muslim lunar month of "Dhu al-Hijjah".