Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Historic Centre of Oporto, Luiz I Bridge and Monastery of Serra do Pilar ' has mentioned 'River' in the following places:
Occurrence Sentence Text Source
Located along the Douro River estuary in northern Portugal, Porto is one of the oldest European centres, and its core was proclaimed a World Heritage Site by UNESCO in 1996, as "Historic Centre of Porto, Luiz I Bridge and Monastery of Serra do Pilar".
This included the area from the Minho to the Douro River: the settlement of Portus Cale and the area that is known as Vila Nova de Gaia.
On 29 March 1809, as the population fled from the advancing French troops[31][32] and tried to cross the river Douro over the Ponte das Barcas (a pontoon bridge), the bridge collapsed under the weight.
The French army was rooted out of Porto by Arthur Wellesley, 1st Duke of Wellington, when his Anglo-Portuguese Army crossed the Douro River from the Mosteiro da Serra do Pilar (a former convent) in a brilliant daylight coup de main, using wine barges to transport the troops, outflanking the French Army.
The economic relations between the city of Porto and the Upper Douro River have been documented since the Middle Ages.
From the riverside quays at the river mouth, these products were exported to other markets of the Old and New World.
The development of Porto was also closely connected with the left margin of River Douro in Vila Nova de Gaia, where is located the amphitheatre-shaped slope with the Port wine cellars.
The Ribeira area along the river Douro, part of the UNESCO World Heritage Site
The Dom Luxc3xads I Bridge (Ponte de Dom Luxc3xads I) is a double-deck metal arch bridge that spans the River Douro between Porto and Vila Nova de Gaia.
Line D (yellow) currently runs from Hospital S. Joxc3xa3o in the north to Santo Ovxc3xaddio on the southern side of the Douro river.
Like Dockery, he drew his inspiration from the city, the Douro river and the rural areas.
Port wine, an internationally renowned wine, is widely accepted as the city's dessert wine, especially as the wine is made along the Douro River which runs through the city.
The Historic Centre of Oporto, Luizxc2xa0I Bridge and Monastery of Serra do Pilar, built along the hills overlooking the mouth of the Douro River in northern Portugal, is an outstanding urban landscape with a 2,000-year history.
Archaeological excavations have revealed human occupation at the mouth of the Douro River since the 8th century BC, when there was a Phoenician trading settlement there.