Qatar sets world record for most tunnel boring machines operating at once
Doha now holds the Guinness World Record for operating the highest number of tunnel boring machines (TBMs) in a single city at one time, Qatar Rail has announced.
The country is currently running all 21 of its massive TBMs, which have been steadily digging underground to make way for the upcoming Doha Metro.
The achievement, which officials say has been officially recognized by Guinness, was announced earlier this week at the Qatar Transport Forum.
The latest record follows past recognitions for the longest SUV convoy, largest flag and the largest football, among dozens of others.
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Source News: Doha News
Photo: Avi Viljoen/Flickr