20 People saw a UFO for 500 km in PortugalPeople saw a big light in the horizon, from south to north of Portugal. All the people that saw the fenomenon reports that the UFO was travelling with a strong light, but with a strange tail of smoke. The trajectory was never consensual, the speed also. The last sightings were around 500 Kilometers far from the first ones. Around 20 people had reported, and it had a big cover by portuguese television, radio stations and newspapers.