Dropa Stones

The stones were found by an archeological professor Cho Pu Tei while carrying an expedition. The stones are believed to be 12000 years old. Tsum Um Nui came to the conclusion that the discs hade hieroglyphs that were visible only under a microscope and he claimed that it read that a spacecraft carrying Dropa people crash-landed on Earth and being unable to fix the spacecraft adapted to the living style of Earth.