실제로 그랬어요. 무슨 일이 생겼냐 하면, 때때로 화성에 이와 같은 회오리바람이 생기는데 회오리바람이 탐사 로봇 위로 와서 청소해줍니다.
And that's what we found out. It turned out that every once in a while there are dust devils which come by on Mars, as you are seeing here, and when the dust devil comes over the Rover, it just cleans it up.