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Slide 1: 

Palau Guell: by Gaudi Arches

Slide 2: 

La Pedrera, Parabolic arches by Gaudi in Barcelona

Slide 3: 

Palau Guell: Aarch by Gaudi in Barcelona / Spain

Slide 4: 

Palau Guell: Arch by Gaudi

Slide 5: 

Palau Guell: Arches by Gaudi

Slide 6: 

Palau Guell: Parabolic arches by Gaudi in Barcelona

Slide 7: 

Palau Guel: Parabolic arches by Gaudi in Barcelona

Slide 8: 

Parabolic open window by Gaudi

Slide 9: 

El Fossar de les Moreres - The old Moreres Cemetery

Slide 10: 

El Fossar de les Moreres The old Moreres Cemetery This is a memorial plaza in Barcelona (Catalonia, Spain), adjacent to the basilica of Santa Maria del Mar.

Slide 11: 

El Fossar de les Moreres - The old Moreres Cemetery

Slide 12: 

Park Guell

Slide 13: 

The Bridge of Arta (GR) is a stone bridge that crosses the Arachthos river (Αράχθος) near the city of Arta (Άρτα) in Greece.

Slide 14: 

Greece - Athens - Calatrava's Olympic Agora

Slide 15: 

Hertford Bridge, Oxford, England ~ Bridge of History...~ Hertford Bridge, popularly known as the Bridge of Sighs, is a covered bridge over New College Lane in Oxford, England.

Slide 16: 

Pillars and arches underneath Glasgow University

Slide 17: 

finnieston crane & squinty bridge , clydeside, river clyde night, city lights, glasgow, scotland uk, glasgow architecture

Slide 18: 

Parabolic arch on the Kingswood Estate off Bowen Drive, SW of Sydenham Hill Station SE21

Slide 19: 

Gateshead Millennium Bridge in Newcastle

Gateshead Millennium Bridgein Newcastle : 

Gateshead Millennium Bridgein Newcastle The bridge takes its place at the end of a line of distinguished bridges across the River Tyne.Linking Gateshead with Newcastle via Gateshead Quays and Newcastle's Quayside, the bridge not only serves a functional purpose as the River Tyne's only foot and cycle bridge, but its grace and engineering attract people from all over the world. The 130m long deck is parabolic in elevation and of steel box section that tapers in plan towards the centre of the deck. It carries a pedestrian footway that varies from 3m to 5m in width as well as a 2.5m cantilevered cycleway. The main arch is also parabolic in shape and tapers both in plan and elevation. The bridge takes as little as 4.5 minutes to rotate through the full 40° from closed to open, depending on wind speed. Its appearance during this manoeuvre has led to it being nicknamed the "Blinking Eye Bridge".

Slide 21: 

Gateshead Millennium Bridge in Newcastle

Slide 24: 

Manchester Metropolitan University's Hollings Campus Its nickname is « Toast Rack »

Slide 25: 

Manchester Metropolitan University's Hollings Campus Its nickname is « Toast Rack » it's a huge tapering building with parabolic concrete arches on top that give it the look of a great big toastrack.

Slide 26: 

Parabolic arches In the building « Toast Rack » there are 25 big parabolic arches.

Slide 27: 

Bridge for pedestrians over Umeälven in Umeå.

Slide 28: 

Hertford Bridge, Portugal - Lisbon - Lisboa - Gloomy & Foggy Afternoon over Bridge 25 de Abril - 25th of April

Slide 29: 

Bristol - The Two Towers of Clifton Suspension Bridge

Slide 30: 

French Pyrénées, derelict railway bridge

Slide 31: 

The Garabit Viaduct is a railroad arch bridge spanning the Truyère river in France, in the mountainous Massif Central region. The bridge was constructe between 1880and1884 by Gustaf Eiffel.

Slide 32: 

France . Pont Neuf . Paris

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The Pont du Gard (Roman Aqueduct), in France, (50m high) was built shortly before the Christian era to allow the aqueduct of Nîmes to cross the Gard river. Max length 275m.

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Slide 35: 

In Sori, Liguria, IT 3 bridges reflecting over Sori river: the tallest is the pedestrian one, the two higher are a road bridge and a railway bridge.

Slide 36: 

Cuba Gallery: Melbourne bridge and ferris wheel

Slide 37: 

Opera in Sydney

Slide 38: 

Opera in Sydney

Slide 40: 

Harbour Bridge - Sydney

Slide 41: 

The Gladesville Bridge in Sydney, Australia was the longest single span concrete arched bridge in the world when it was constructed in 1964. The shape of the arch is almost parabolic, with a superimposed graph of y = −x2 [Actually, such bridges are normally in the shape of a catenary] The Gladesville Bridge in Sydney

Slide 42: 

Harbour Bridge - Sydney

Slide 43: 

Roosevelt Dam Bridge from Arizona Trail

Slide 44: 

Peace Bridge The bridge you see in the picture is Peace Bridge that connects USA and Canada together.

Slide 45: 

3 Bridges, South Street Seaport balconies New York City

Slide 46: 

Golden Gate Bridge, San Francisco, from Golden Gate Park

Slide 47: 

New York - Brooklyn Bridge Sunset

Slide 48: 

BMW Blue Hour, Brooklyn, Manhattan, and Williamsburg Bridges, NYC

Slide 49: 

Hell Gate Bridge, in New York City, a massive steel arch Railroad Bridge completed in 1916.

Slide 50: 

Bridge Lights on Water in Bergen Point, Bayonne, NJ, US

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Bridge Art Quite new bridge across Chao Phraya river and quite outstanding in engineerring deisgn as the longest suspended bridge.

Slide 52: 

Foot-bridge crossing Hwy 51 in Phoenix, AZ, US

Slide 53: 

Bridge Support, Pennybacker Bridge, Austin, TX, US

Slide 54: 

The Saint Louis Gateway Arch, Jefferson National Expansion Memorial in Saint Louis, Missouri, 1961 to 1966, by Finish-American architect Eero Saarinen It spans 630 feet at ground level from outer edge to outer edge and is 630 feet high, making it the tallest man-made monument in the US. The concrete foundation reaches 60 feet into the ground, greatly contributing to the arch's stability. The Saint Louis Gateway Arch

Is the Gateway Arch a Parabola? : 

Is the Gateway Arch a Parabola?

Slide 56: 

Comparing our parabola to the photo, we can see (especially near the waterline at the bottom) the shape of the arch is not really a parabola at all. The designer of the Gateway Arch, Eero Saarinen, knew that a parabola was not the best shape for such an arch. An arch shape that is often used is the catenary.

Slide 57: 

Hadley Parabolic Bow Bridge

Hadley Parabolic Bow Bridge : 

Hadley Parabolic Bow Bridge The Hadley Parabolic Bow Bridge of Sacandaga River in Hadley, New York, United States is the only bow-string bridge still standing in the country and one of only two worldwide. The first bridge on this site was built in 1813 It carried traffic over the Sacandaga River between the hamlets of Hadley and Jessup's Landing (Corinth), until it was destroyed by fire in 1885 and substututed by an iron one. The abutments and pier remaining from the covered bridge were repaired and extended to raise the road elevation. When completed, that same year, the bridge's two superstructures had an overall length of 180 feet. The short span was 44 feet 7-1/4 inches and the long span 136 feet and supported a roadway a little more than 17 feet wide and 45 feet above the river. The term "parabolic" refers to the mathematical curve approximated by the trusses' chords, the "bows." While the "bows" of the larger span are more apparent because of their size, the trusses of both spans are in fact of the parabolic style.

Slide 59: 

Hadley Parabolic Bow Bridge

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Hadley Parabolic Bow Bridge

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Music: Folk Music from Asturias and Greece by Arany Zoltan

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