"... it was a circle of fire that was coming in the sky.... It had no head, the breath of its mouth had a foul odor. Its body one rod [5.5 yards] long and one rod wide. It had no voice... They went to the Pharaoh... to report it... Now after some days had passed, these things became more numerous in the sky than ever. They shone more in the sky than the brightness of the sun, and extended to the limits of the four supports of the heavens.... Powerful was the position of the fire circles... Thereupon, these fire circles ascended higher in the sky towards the south...(B. Le Poer Trench, The Flying Saucer Story)
Dr. de Braga was "instructed" to forget the whole incident as soon as possible.
The hard work progressed rapidly.
Suddenly, one day something unpleasant happened. One of Caparat's assistants began to feel some discomfort in his chest. He could not eat, sleep and vomiting made him tired.
He asked his assistants to illuminate the subject...
Apparently, the Pharaoh Khufu had signed a some kind of treaty with an alien from a distant star system, who explained to the Pharaoh, the evolution of human history. The ancient document mentioned an exchange of people of one world to another and a possibility of interplanetary travel.
The crystal tomb was built according to instructions given by him before he died.
He was forced to return to France.
Just like the case with the Egyptian labyrinth, this case is closed to the public. We know that a cover up is an efficient method worldwide.