Fleets of objects like this first appeared over Mexico. Now, many countries see them. They are not balloons or stars, so what are they? This video is graded B.
http://www.youtube.com/watch?v=opT7Z0gNrnA&feature=fvwkStory Source:
http://www.youtube.com/watch?v=opT7Z0gNrnA&feature=fvwk