Mars rover

With the efforts of many people, including engineers, the second Mars rover was sent to Mars and had a beautiful landing Together we can strive to create life on Mars with our knowledge and effort. Asking Mars: Would you like to be as crowded as Earth? He said, "Yes, but no one wants to live here." The earth coughed and said Well, these people are make a lot of pollution and making me dirty. Don't worry, they are getting ready to come to Mars