Reality is often more incredible than the imagined. The Chest of Memories and Checkmate to Time! are the exciting and fascinating accounts of a veritable modern epic: the birth of Damanhur and the subsequent construction underground of the Temples of Humankind, carried out in total secrecy for many years, their discovery and the battle to save all their halls from distruction. Why create a setting that is unique in the world and why would someone want to destroy a work of recognized artistic and architectural value? Furthermore, did Damanurians really do all this by themselves? There are many incredible stories about Damanhur's beginnings in a place called Valchiusella and even more about the great underground construction, including the decisive intervention of strange alien beings gathered together in high Council... An adventure between the heavens and the Earth, between extraordinary creatures and very normal human beings, made strong by a great ideal.