UAV ?

[seruriermarshal]

Some photos from :

http://www.flickr.com/photos/40099027@N03/5288948522/sizes/l/

http://www.flickr.com/photos/40099027@N03/5288951830/sizes/l/

http://www.flickr.com/photos/40099027@N03/5288347165/sizes/l/

 

[Stargazer]

First two pics could be just about anything... :

 

[Matej]

Nice clouds. I didn't get the point.