Serge Lisboa, 38, his wife Maria, 38, and Maria Marmela Santos Costa, 21, were driving to Porto and had just passed Tua when they heard a humming sound and got out to see a white luminous lens shaped object, emitting flashes of red light from a transparent dome on its top, at about 100 ft altitude. It appeared to be only 6 ft wide and 3 ft high. They drove on and had passed Alijo when they heard a humming sound again, this time modulated and rhythmic. At the same time the driver "began to notice some difficulties with his motor." However no object was seen. About 5 km from Villa Real they came upon a bright green luminous cylindrical object resting on the road. Lisboa braked and just managed to avoid it. At the same moment, the passengers in the car noticed two flashing red lights on the left side of the road, at the level of the roadside gravel. As they approached they saw that these lights were on the tip of 20' antennas on the helmets of two short men in astronaut costume, who were lying on their backs beside the road, their feet toward the road. Their suits were shiny and "lead-like", giving the impression of a malleable foil, and they wore spherical helmets with rectangular windows, and gloves on their hands. The car passed within 6 ft of these beings, who were about 5 ft tall. Frightened, Lisboa tried to accelerate, but the car was slow to respond. As they passed the men and the green object, they could hear "an indistinct gurgling sound." Then they saw the two humanoids rise from the ground, rigidly without moving their arms or legs. They had small "knapsacks" on their backs. The two humanoids then rose into the air, and disappeared form view above the car.

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