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3/🧵
It lasted 12 days with a huge car panorama that stretched for more than 62 miles (100 km). A mini-economy of overpriced food, water, and cigarettes sprang up instantly.

4/🧵
Not caused by closure or natural disaster, this all-time tie-up cause was simply the result of too many vehicles clogging the road, particularly a bevy of heavy trucks carrying construction supplies into Beijing,

5/🧵

Drivers were able to move their vehicles only 1 km (0.6 mi) per day