Officials in the town of Plougastel in the region of Brittany, which is located in northwest France, are offering about $2,250 if someone can decipher the roughly 20 lines of writing on the rock, which was first discovered a few years back, per the BBC. The inscription includes a series of capitalized letters, two dates — 1786 and 1787 — and carvings of a boat and a sacred heart, the BBC reported, which noted local experts have hypothesized it may be written in old Breton or Basque."This inscription is a mystery and it is for this that we are launching...