ALBAWABA - An enigmatic slab of rock, containing mysterious markings, was discovered nearly 123 years ago in north-western France. The “Saint-Bélec slab” remained largely untouched and virtually unstudied for 4,000 years until it resurfaced in 2014. Researchers have since uncovered that it is a “treasure map ” for archaeologists, referring to it as the oldest map in Europe, drawn around the end of the Neolithic era almost 5,000 years ago ...