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	The throat or step Furlo is a gorge located along the original route of the Via Flaminia, in the stretch where the river runs along this Candigliano tributary of the Metauro in Pesaro-Urbino province.</div>
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	The gorge was formed between Mount Pietralata (889 m) and Mount Paganuccio (976 m), thanks to the erosive power of the river Candigliano; the millennia has reached a considerable depth, which, however, is currently not visible because of the dam, built in 1922, which reduced the rushing river in a placid lake.</div>
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	By Decree of the Ministry of 6 February 2001 published in the Official Journal of 12 June 2001, General Series 134, was established the State Nature Reserve Gola del Furlo.</div>
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	To allow easier passage of people and vehicles, was hewn, Emperor Vespasian, a gallery at the narrowest point of the gorge which was called &quot;petra pertusa&quot; or &quot;forulum&quot; (small hole), from which &quot;Furlo&quot;; next to it is a previous passage of Etruscan, 8 m long, 3.30 m wide and 4.45 m high, and a small church called the Barrel, once inhabited by a hermit.</div>
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	In the north-eastern entrance is still visible above the inscription: IMP (erator) CAESAR AUG (ustus) - Vespasianus PONT (ifex) MAX (Imus) - TRIB (unicia) POT (summer) VII IMP (erator) XVII P (ater) P (atriae) CO (n) S (ul) VIII - CENSOR FACIUND (um) CURAVIT (the last of the eighth auction is probably an addition), which establishes the fulfillment of the work between 76 and 77 AD The gallery is 38.30 m long, 5.47 m wide at most, 5.95 m high; is all dug in compact limestone using chisels, of which you see the cuts to chisel, and is without lining.</div>
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	Source: Wikipedia</div>
