 Another earthquake hit Sidon around 570 AD ; Antoninus of Piacenza , an Italian Christian pilgrim , described the city as partly in ruins . For many years after the disappearance of the cult of Eshmun , the sanctuary site was used as a quarry : Emir Fakhr @-@ al @-@ Din II , for example , used its massive blocks to build a bridge over the Awali river in the 17th century . 
