me and my brother were at the top of the tallest hill in our city they call it green hill we were having a smoke when we felt like someone was looking at us so we started to leave on our bike my brother shoe lace got caught in the gears so we stop to take it out he looked up and said look at that i looked up and seen a really big triangle in the sky I thought it was flat until it started to spin and that is when i saw it was not flat at all it was so close that we can see the the bottom of it and there was plains flying all over we were by the air port so there was flood lights all over . it traveled vary slow and spun as we were talking about in the front or what you can call the front stared to vanish slowly and rise up in to the air the lights on it were vary dim it made no noise there were three other people on the hill i dont know if they seen it to but we got out of there fast because we did not know what we saw but it was not a plain or helicopter at that time our city had no helicopter and I did not have a camera if i did i could of go a full picture of it