On ufo above dated Feg. 20,2013.These are the same material I and my wife witness Nov. 15,2001 except there were shaped like equal lateral triangles with rounded point ends.They were smooth as glass . Also there were 6 each.They were in a anti-gravity state of flight. flight arrangement.They were in complete stealth before they appeared.Then after approximity 10 minutes they clocked or disappeared. E-mail : email@example.com .