This is beautifully done in all respects and I agree with @eyesmile that this has a sci-fi feel... it could almost be titled 'The Last Walk' - the one we will take at the ends of our lives. Fav!
FAV! I love how you've used a variety of processing techniques to create a mood that implies a story. I can't wait for you to come over and help me learn new processing. Am sad I can't take pictures for a couple of months but I'm learning this dictation software and looking forward to the new processing