People take a ride on pleasure boats on the River Nile during Eid al-Adha or Festival of Sacrifice, in Cairo, Egypt August 23, 2018.

People travel on pleasure boats on the River Nile during Eid al-Adha or Festival of Sacrifice, in Cairo, Egypt August 23, 2018. Reuters/Mohamed Abd El Ghany

People travel on pleasure boats on the River Nile during Eid al-Adha or Festival of Sacrifice, in Cairo, Egypt August 23, 2018.

People travel on pleasure boats in front of the Cairo tower and hotels on the River Nile during Eid al-Adha or Festival of Sacrifice, in Cairo, Egypt August 23, 2018. REUTERS/Mohamed Abd El Ghany

People take a ride on pleasure boats on the River Nile during Eid al-Adha or Festival of Sacrifice, in Cairo, Egypt August 23, 2018.