Flash Frozen Ancient Civilization of Pyramid Buliilders That Once Thrived in Antarctica

Under the now solid ice of Antarctica lies the hidden remains of an advanced civilization, dating far back into prehistory, are thse the remains of the mysterious pyramid builders? So astounding was this discovery that world leaders were flown in to the icy continent to see for themselves the proof of a possible extraterrestrial presence on the Earth. It has also been said that an advanced technology has also been discovered, what is the truth behind these reports?