Try to spot the human-made object hiding in this NASA ISS photo

Most of us will never get on a spacecraft, blast off this rock and spend time in orbit gazing down at the astounding views of Earth below. So we turn to astronauts like NASA's Mark Vande Hei to share that experience through images. Sometimes the experience involves a little bit of hide and seek. Vande Hei is currently up on the International Space Station. He used his vantage point to offer us Earth-dwellers a visual challenge this week. "Can you find the human-made object in this photo?" More

(Source: CNET - Sep 11)