The gorge road from Dong Van to Meo Vac is the stuff of biker yore, its towering cliffs looming high above and plummeting to the Nho Que River in the distance below.

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The rock fall happened at Jiggers Bank, a main road into the Ironbridge Gorge, overnight on Tuesday.

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We conquered the 15% grade of the treacherous Via Mala (literally, "bad road"), set in a narrow gorge pockmarked by fallen boulders, without so much as a whinny.

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The drive takes you north from the city across the plain and through the Rawanduz Gorge before climbing into the Zagros along the British-built Hamilton Road, named after New Zealander, Archibald Hamilton.

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