Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

A Circassian dancer performs during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)

Circassian dancers perform during the 2019 Jerash Festival of Culture and Arts at the Jerash archeological site in Jerash, Jordan, on July 22, 2019. The Jerash Festival of Culture and Arts, which was first held in 1981 as an annual event, kicked off on the night of July 18 and would last for 10 days. (Photo by Mohammad Abu Ghosh/Xinhua)