The carefully placed meridian line which crosses the cathedral diagonally, is lined up with a pinhole in the ceiling that puts a dot of light on the correct sign at noon each day.
A Glance at the Architecture of Downtown Casablanca
DrFumblefinger explores the architecture in “Downtown Casablanca”. Most were constructed in the period between WWI and WWII, and show art deco and art nouveau features combined with Moroccan/Moorish features.