text: From 1976 to 2001, the images changed into a human face formed by shadows giving the illusion of eyes, nose, and mouth." That doesn't mean it was created by aliens and besides, we didn't find no ancient civilization on Mars. I think it was a natural landform and that's all the evidence that i have for you, "Scientist Rafael."Although teacher-designed projects are much easier to maintain in grading terms, student-designed projects are ultimately more likable. By allowing students to create their own projects allows them to learn in a way they prefer and improves grades. Students who chose this will also get the benefit of researching what they enjoy and makes them more motivated to complete the project.