Petra, also called the “Ain Musa” or the “Spring of Moses”, is traditionally believed to be the spring Moses produced upon striking the rock (Numbers 20). During heavy rains it becomes a rushing torrent and in course of geological time has cut a deep, narrow passage, called the “siq” which opens into a broad isolated valley where once flourished the Nabatean-Roman city of Petra. For more information click link
It was during the Roman Period, second century CE that Jerash also known as Gerasa continued its existence throughout the Byzantine period, boasting numerous Christian Churches. For more information click link.