A high level view of the outer southern apse.
The porthole entrance doorway is far left
and the inter-apse doorway far right, the facade of
Temple 2 is visible above the wall of the apse mid-left and the islet of Filfla
can be seen on the horizon.
The carving of a temple facade is circled on the southern doorway flanking
stone, just above the "slab altar".
Click on the the carving for a close up view.