Pacific Electric Building, Los Angeles II, 1910
Pacific Electric Building, 610 S. Main Street, Los Angeles , ca.1910. Notice the man standing in the window watching the street below. The streetcar is bound for Edendale and the policeman has a little help although from a seated position.
image from Shorpy.
This is a slightly reduced image. Original size here
http://www.shorpy.com/node/9347?size=_original#caption