Barcelona: The Latest Architecture and News

As reported by the BBC, construction of Antoni Gaudí's already 133-year-old Sagrada Família in Barcelona is now being accelerated by one of the most modern technologies around: 3-D printing. As a matter of fact, the construction process in Barcelona has been utilizing 3-D printing for 14 years, introducing the technology in 2001 as a way of speeding up the prototyping of the building's many complex components.

The process uses powder-based stereolithographic 3-D printers, which build prototypes layer-by-layer, resulting in a material similar to plaster. This is important to the workshop at the Sagrada Família, because it allows craftsmen to easily alter the prototypes by hand, to meet the demanding specifications of the building.

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A team of students from Eindhoven University are set to build a forty metre high model of Antoni Gaudí’s Sagrada Familia out of 'ice'. The project, which follows their completion of the world’s biggest ice dome last year, will be constructed from pykrete and reinforced with wood fibres. The fifty-strong team will head to Finland on the 28th December 2014 to begin construction of the impressive 1:5 scale model, which will be built in only four weeks in order to officially open in the last week of January 2015.

Read about their unique construction method and see photos of the preparatory work after the break.

It is now just over a year since the unveiling of Zaha Hadid's Al-Wakrah Stadium in Doha, Qatar, and in the intervening twelve months, it seems like the building has never been out of the news. Most recently, remarks made by Hadid concerning the deaths of construction workers under Qatar’s questionable working conditions created a media firestorm of legal proportions. Hadid’s stadium has been widely mocked for its ‘biological’ appearance, not to mention the fact that the 2022 World Cup in Qatar, for which the stadium will be built, has encountered a storm of controversy all of its own.

The criticism surrounding Al Wakrah has prompted us to look far and wide for the world’s most debated buildings. Could Al Wakrah be the most controversial building of all time? Check out ArchDaily’s roundup of nine contenders after the break.

Find out which buildings top our controversial list after the break

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Bloomberg Philanthropies has awarded its 2014 Mayors Challenge to Barcelona, selecting its plan to deal with the problems of an ageing population over the proposals of 20 other European cities shortlisted earlier this year. The award, developed to promote the most creative and transferable solutions to intractable social problems such as public health, unemployment and transportation, carries a €5 million prize for Barcelona to put toward implementing the plan. In addition, four runners-up - Athens, Kirklees, Stockholm and Warsaw - will also receive €1 million each for their own plans.

"To meet the biggest challenges of the 21st century, city leaders must think creatively and be unafraid to try new things – and the Mayors Challenge is designed to help them do that," said Michael Bloomberg, former mayor of New York City and founder of Bloomberg Philanthropies.

Read on after the break to learn more about the proposals of Barcelona and the four runners-up

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The Basilica of the Sagrada Família in Barcelona have laid out their planned milestones for the forthcoming year, visualising it in a short film that begins to piece together Antoni Gaudí's incredible vision. The Sacristy and Raking Cornice will be constructed between this year and next, while new stained glass windows will be installed flooding the interior spaces with evermore coloured light.