Are there UFOs in Denver?

This post is dedicated to my lovely sister, Gitti...

She keeps asking me if I saw UFOs in Denver... At the age of 15 she was very much into UFO research, read everything about UFOs that was available at the time in Hungary, had a special friendship with one of the Hungarian UFO experts (I think actually the only existing national expert in the field) and gave lectures on UFOs at the local highschool... According to Gitti, Denver is a location that UFOs like...

Dear Gitti - I haven't seen any of your friends yet - but perhaps they use the old airport tower and runways to land...:-))) And yes, I will take photos if I see them:-))) From the tornado triangle to the UFO place... :-)) I love my sisters:-)