Permanent Infrastructure in a Temporary City

Millions have been in the tent city of Mina in Mecca for the annual Hajj pilgrimage. Though the crowds are temporary, the infrastructure built to handle them is permanent.

1 minute read

November 24, 2010, 5:00 AM PST

By Nate Berg


This post from The Pop-Up City looks at the air conditioning unit that cools the tents used during the Hajj, and the bridges built for the masses of pedestrians.

"Maybe the most interesting construction in Mina is the Jamarat Bridge. It is built to facilitate the movement of worshippers arriving from various directions. The bridge has 24 access routes and 11 gates linking it to the mountains from all directions. Currently there is 5 levels of the bridge, which can be extended to 12 in the future."

Saturday, November 20, 2010 in The Pop-Up City

portrait of professional woman

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching. Mary G., Urban Planner

I love the variety of courses, many practical, and all richly illustrated. They have inspired many ideas that I've applied in practice, and in my own teaching.

Mary G., Urban Planner

Get top-rated, practical training

Close-up of "Apartment for rent" sign in red text on black background in front of blurred building

Trump Administration Could Effectively End Housing Voucher Program

Federal officials are eyeing major cuts to the Section 8 program that helps millions of low-income households pay rent.

April 21, 2025 - Housing Wire

Logo for Planetizen Federal Action Tracker with black and white image of U.S. Capitol with water ripple overlay.

Planetizen Federal Action Tracker

A weekly monitor of how Trump’s orders and actions are impacting planners and planning in America.

April 23, 2025 - Diana Ionescu

Ken Jennings stands in front of Snohomish County Community Transit bus.

Ken Jennings Launches Transit Web Series

The Jeopardy champ wants you to ride public transit.

April 20, 2025 - Streetsblog USA

Floor-to-ceiling rotating gates at Fairmount subway station in Philadelphia, Pennsylvania.

Crime Continues to Drop on Philly, San Francisco Transit Systems

SEPTA and BART both saw significant declines in violent crime in the first quarter of 2025.

April 28 - Mass Transit

South LA Wetlands Park in Los Angeles, California.

How South LA Green Spaces Power Community Health and Hope

Green spaces like South L.A. Wetlands Park are helping South Los Angeles residents promote healthy lifestyles, build community, and advocate for improvements that reflect local needs in historically underserved neighborhoods.

April 28 - ABC 7 Eyewitness News

Intersection in downtown Sacramento, California with neoclassical building with columns on left.

Sacramento Plans ‘Quick-Build’ Road Safety Projects

The city wants to accelerate small-scale safety improvements that use low-cost equipment to make an impact at dangerous intersections.

April 28 - The Sacramento Bee