On May 19, "curiosity", used its the machine arm the front end of the drilling rig ,The sample that curiosity bring back is a rock called “Cumberland” , on the surface of “Cumberland” there is a hole which Diameter 1.6 cm, 1.6 cm depth. “In the small hole we find there is lots of hope.”said by America Scientist james lingken .
Soon curiosity will start his third trip ,and let us look forward to it.
----Jeff