text: All of this is why I think the author of this story did a good job of explaining why it would be a challage exploring it. He gave good facts about the plant and talking about what nasa is doing to try to explore the plant.         Aliens on Mars making a huge monument is very contarversial. Some people think that the monument is made by aliens but some people think it is man made. But now the "face on mars" is being photo graghed with better detail than ever. The "face on mars" is natural.