Jordanian helicopters join the celebration marking the centenary of the Great Arab Revolt and holiday Arab renaissance in Amman, Jordan on June 2, 2016. (Xinhua/Mohammad Abu Ghosh)

Jordanian soldiers march to celebrate the centenary of the Great Arab Revolt and holiday Arab renaissance in Amman, Jordan on June 2, 2016. (Xinhua/Mohammad Abu Ghosh)

Jordanian Bedouin guards on their camels march to celebrate the centenary of the Great Arab Revolt and holiday Arab renaissance in Amman, Jordan on June 2, 2016. (Xinhua/Mohammad Abu Ghosh)

King Abdullah II of Jordan(L) attends the flag ceremony at the Royal palace in Amman, Jordan on June 2, 2016. The kingdom celebrated the centenary of the Great Arab Revolt and holiday Arab renaissance here on Thursday.(Xinhua/Mohammad Abu Ghosh)

King Abdullah II of Jordan(L) attends the flag ceremony at the Royal palace in Amman, Jordan on June 2, 2016. The kingdom celebrated the centenary of the Great Arab Revolt and holiday Arab renaissance here on Thursday.(Xinhua/Mohammad Abu Ghosh)