Columbia subject headings:
Harvard subject headings:
City planning--Saudi Arabia--Mecca.
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca.
Tents--Saudi Arabia--Mecca.
Tourism and city planning--Saudi Arabia--Mecca.
Tourist camps, hostels, etc.--Saudi Arabia--Mecca.
Princeton subject headings:
Air-supported structures.
City planning--Saudi Arabia--Mecca region.
Muslim pilgrims and pilgrimages--Saudi Arabia--Mecca.
Tents.