Hidden passages of Gemmayze

I recently stumbled upon a passageway between 19th century homes in Gemmayze. It is only accessible by foot:

There are jagged paths and stairwells leading to the houses above and below:

Were these footpaths once common in other parts of the city?

One great thing about Beirut is no matter how many years you’ve lived here, there are always new places to discover.