The building stunt scenes were filmed above the Hill Street Tunnel (see URL below), but remarkably the scene where they start climbing the building from street level, at 9:48, is the Dresden Apartment, the very same building, same camera angles, appearing early in Safety Last!
, when Harold's friend Bill Strother, the human spider, climbs a building to escape the cop Noah Young. Safety Last!
was filmed the latter half of 1922, which begs the question, who copied whom using this street level building as a location? The first floor was fairly easy to climb. Who knew about it, and used it, first?https://silentlocations.wordpress.com/2013/10/31/las-early-hills-tunnels-preserved-in-noir-silent-comedies/