It’s the 15th century B.C., and Pharaoh Hatshepsut rules over ancient Egypt. For her greater glory, a large team of artisans are chipping away at a 137-foot long slab of red granite in the Northern Quarries of Aswan. Carving what is planned to be the largest obelisk ever seen is hot, laborious and dusty work. But the project comes to an abrupt halt. A problem has emerged, and it’s one that will never be solved. The 1,200-ton lump of stone is left unfinished – marooned in the bedrock it was hewn from.