A reward of 2,200 U.S. dollars for who will solve the enigma on a rock
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A group of pictures was taken on Tuesday to show a slice of indecipherable words carved on a rock in the Brittany village of Plougastel-Daoulas, France. /VCG Photo

A group of pictures was taken on Tuesday to show a slice of indecipherable words carved on a rock in the Brittany village of Plougastel-Daoulas, France. /VCG Photo

The city declared a national call with a 2000 euros (2,200 U.S. dollars) reward to anyone able to decipher the mystery of those inscriptions probably made during the 18th century. /VCG Photo

The city declared a national call with a 2000 euros (2,200 U.S. dollars) reward to anyone able to decipher the mystery of those inscriptions probably made during the 18th century. /VCG Photo

Researchers said, “We find letters aligned, sometimes upside down, groups of indecipherable words, three dates 1786, 1789 (…) and 1920.” The municipality has appealed to many linguists or historians, but the riddle has still not been solved. /VCG Photo

Researchers said, “We find letters aligned, sometimes upside down, groups of indecipherable words, three dates 1786, 1789 (…) and 1920.” The municipality has appealed to many linguists or historians, but the riddle has still not been solved. /VCG Photo