Certainly don't know how you draw people... they move too much.
Its always a challenge. Usually I sit and just observe for a while. Then its about trying to put their essence down, looking back here and there to get shapes.
I love that woman in the bottom left corner
Oh she was great. One of the flight attendants on the plane. I was sitting in the emergency exit, and her seat actually FACED me. So I was able to draw away.