The black and white pattern stone has the most characters pattern in unit area in the world
——a black and white pattern stone collected by Dechen Wang
July, 2007, a piece of black and white pattern stone, collected by Mr. Dechen Wang from Fushun City in Liaoning Province, on which 45 by 15.5 centimeters front surface, 12 characters pattern can be seen, which has created the world record of the black and white pattern stone having the most characters pattern in unit area in the world as recognized by the World Records Association.