What if.....? Idea and Feedback

The concept behind my What if ......? project was to try and replicate a scene from the movie I am Legend so that I could convey the message of what if we used up our resources to the point that there was none left and we had to abandon our planet? The feedback that I got from my group was that it was a good idea and that if I had any trouble drawing all of the cars that I should incorporate some kind of a collage but I didn't do that because it was a pencil drawing.