Nice video. I also plan to do several videos. My expertise is in wilderness survival, but urban survival certainly is popular right now.
Which video camera are you using? The video quality is pretty good.
The sound is a little hollow, but it is not bad. You might want to try using a lapel microphone. They usually come with a 20 or 30 foot cord and are easy to conceal.
"It's inexcusable for scientists to torture animals; let them make their experiments on journalists and politicians." -Henrik Ibsen