This piece, in addition to covering an interesting topic and presenting information that may not be common knowlege, is an excellent people piece. It shows that there is as much diversity to be found in the city in the middle of the day as in the middle fo the night. It is at many points a fine example of the strengths of radio, it's ability to put us "there" with through thoughtful, well-placed atmospheric audio samples. He does a good job of bringing the unexpected bustle at a time of night many people have never even seen, as well as tackling health and social issues related to the subject. It's interesting, surprising, funny and moves rather quickly.