The old Phoenician core of the city is on the left while the Arch of Caracalla can be seen on the right behind the Roman extension to the city .
The left is the Basilica and Capitoline Temple are visible in the centre .
The old Phoenician core of the city is on the left , the Basilica and Capitoline Temple are visible in the centre , while the Arch of Caracalla can be seen on the right behind the Roman extension to the city .