Assignment 2-Reference

During mid-term break,assignment 2 just keep playing on my mind.The submission is on week 9;precisely,next week =(.I haven't started yet...

But,i do have some references for my assignments:






For my assignment 1,I chose pollution as the issue of awareness.So,for assignment 2 I need to stick with it.I need to draw something that is related to pollution.For example:Factory or industrial area.