Fantastic. #3 is one of my favorite LA shots of all time.
I'm really glad you took the time to document Downtown/Central LA's gritty side at this particular point in time. I recently went back and looked at some video I took around downtown and hollywood ten years ago and was blown away at how much grittier everything was compared to today. Sure, there's enough grit and grime to go around in LA that I don't think you can quite call it "endangered," but I'm pretty sure that 10 years from now you won't be able to take some of these shots (like the Rambler in the parking lot and Eng. co. 23 with boarded up windows).
Thanks for visiting and doing my city justice with the lens!