Report and vocabulary
They have a tough mission ahead.
Thousands of members of the Saudi security forces have been taking part in a parade ahead of the world's biggest religious gathering.
The Hajj involves over 2 million Muslim pilgrims.
With tensions simmering in the region, particularly in Lebanon and Syria, the logistics are even more complicated than usual.
special task given to a group or a person
organized public procession
devotees that go on a trip to a shrine or religious place
getting excited or agitated; boiling
management of details of an operation