Gnuswik - Mysteries of the Dark Beam in the Sky

Our witnesses were near Lugo-Ravenna in Italy when they saw this dark beam in the sky. Stood out in the sunset skies like a negative light. We do not understand what strange phenomenon we are seeing, on the web we found a similar phenomenon referred to Black Beam Project or Project Blue Beam, others talk about the effects of HAARP experiments as Warm Hole (but we have no precise scientific sources of these phenomena). To be noted that a few days ago there was an earthquake and that years ago near here, in F