not a wall but steps going to the cinematek library (that has been erased, but it's different location, different function  and different opening hours.)

https://www.mapillary.com/app/?pKey=456813050435041 (sorry for poor pictures)

Better quality indicating the arch and steps  https://www.mapillary.com/app/?pKey=562442338067938 and well visible in urbis 2015