Usually a student gets task to write descriptive essay when teacher wants to check the level of his awareness of the material. As a matter of fact this type of written home assignment is one of the easiest and simplest. So the objective of a student here is to describe or summarize a definite and specified topic. It doesn’t require conducting any deep and detailed analysis, extra tiring researches, collecting ideas, involving own points and views or any other kind of that staff. The only disadvantage of this essay is its length and volume. It’s usually impossible to write and accomplish them in a few hours.
Basically your task is about characterizing and illustrating your essay with words but not images. In this case you can involve anything that you have in your mind concerning the definite subject. For example if your descriptive essay should be about a place, you have to share your impressions about any foreign country or place which you have visited and which is best remembered by you. You have probably seen and been tp lots different and exciting places. Why not to share your impressions and emotions concerning these sites with your fellow mates? Let them feel the spirit of Paris or Milan!