Original sentence: Although in ancient times Petra might have been approached from the south on a track leading across the plain of Petra, around Jabal Haroun ("Aaron's Mountain"), where the Tomb of Aaron, said to be the burial-place of Aaron brother of Moses is located, or possibly from the high plateau to the north, most modern visitors approach the site from the east
Edited sentence: Although in ancient times Petra might have been approached from the south on a track leading across the plain of Petra, around Jabal Haroun ("Aaron's Mountain"), where the Tomb of Aaron burial-place of Aaron brother of Moses is located, or possibly from the high plateau to the north, most modern visitors approach the site from the east