Dancers perform at the opening of the 6th Festival of Tradition, Culture and Arts in Elassona, Greece, Aug. 27, 2018. The three-day festival kicked off here on Monday. (Xinhua/Apostolos Domalis)  

Greek dancers perform at the opening of the 6th Festival of Tradition, Culture and Arts in Elassona, Greece, Aug. 27, 2018. The three-day festival kicked off here on Monday. (Xinhua/Apostolos Domalis)  

Greek dancers perform at the opening of the 6th Festival of Tradition, Culture and Arts in Elassona, Greece, Aug. 27, 2018. The three-day festival kicked off here on Monday. (Xinhua/Apostolos Domalis)  

Chinese musicians perform at the opening of the 6th Festival of Tradition, Culture and Arts in Elassona, Greece, Aug. 27, 2018. The three-day festival kicked off here on Monday. (Xinhua/Apostolos Domalis)