One of the most existing images of the Curiosity probe wanders alone on Mars

The blue dot in the middle of NASA's photos is actually the robotic rover of Curiosity making its way up the rocky slopes of Mount Sharp.The robotic probe is now approaching its fifth year of activity and has never looked so lonely

http://gizmodo.com/this-is-one-of-the-coolest-shots-of-the-mars-curiosity-1796293399