The siq walls narrow until you reach a cleft, through which you glimpse El Khazneh (the Treasury), and then the siq opens out to bring you face to face with the ancient city's most famous sight.
The siq walls widen gradually as you go along.
mnli hypothesis: The siq walls widen gradually as you go along. premise: The siq walls narrow until you reach a cleft, through which you glimpse El Khazneh (the Treasury), and then the siq opens out to bring you face to face with the ancient city's most famous sight.