Throughout Bistoon and its surroundings, wherever a sculptured stone or structure is present, scripts dating to the Sassanide era can be noted. Such as the 427 symbols engraved on stones in vicinities like the Safavid caravansary of Bistoon, the Safavid bridge on Dinvar Ab, the Khosravi bridge on Garmasiab, the caravansary edifice of Bistoon and the ...