Since it is talking about symbolism, as well as words and phrases such as a unique image and monumental, I would go for the figurative and not the literal "open field."

Mike :)

I think it is actually a "double entendre." Here, I'm pretty sure it means "wide" or "open" view.

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Note added at 4 mins (2009-06-01 20:18:02 GMT)
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References: http://education.yahoo.com/reference/dict_en_es/spanish/abie... (you can actually find "campo abierto" here).

http://education.yahoo.com/reference/dict_en_es/spanish/camp... (see definition 4)

I concur with my colleagues that the text is definitely referring to the symbolism projected in the mind of the visitor/observer by both the building and the open space around it :

The Open Context project aims to demonstrate a practical, open-access, ... including the Getty Art and Architecture Thesaurus↑ or the CIDOC-CRM. ...
museums.wikia.com/wiki/Open_Context - 57k - En caché - Páginas similares



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Note added at 16 mins (2009-06-01 20:30:02 GMT)
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usage analysis in the context of re-engineering of distance learning systems and resources. We propose an open and distributed architecture where analyst ...
ieeexplore.ieee.org/iel5/10084/32317/01508642.pdf - Páginas similares
de S Iksal - 2005 - Citado por 11 - Artículos relacionados
[PDF] Towards an Open Context Infrastructure - [ Traducir esta página ]Formato de archivo: PDF/Adobe Acrobat - Versión en HTML
As a consequence, the following elements of an open context infrastructure have to be provided: • Architecture components that support dynamic context ...
www.ict.ac.cn/grope/channel/detail4254.asp - Páginas similares
de M Wojciechowski - Citado por 6 - Artículos relacionados - Las 2 versiones


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Note added at 20 mins (2009-06-01 20:34:06 GMT)
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fill this gap by providing open access data publication services for archaeology. Open Context has a flexible and generalized technical architecture that ...
www.alexandriaarchive.org/publications/KansaKansaSchultz_NE... - Páginas similares
de NE Archaeology - 2007 - Artículos relacionados
DAIS'2001 - Abstracts of Contributed Papers - [ Traducir esta página ]15 May 2001 ... CAPEUS: An Architecture for Context-Aware Selection and .... to the issues of defining an open component-based architecture which is able to ...
www.cs.agh.edu.pl/dais/abstracts.html - 41k - En caché - Páginas similares
Open Context: Overview of the Project: Iraq Heritage Program - [ Traducir esta página ]AAI staff used Open Context to help put the content developed by the Global Heritage ..... ways as reflected in the artwork and architecture of the region. ...
www.opencontext.org/database/project.php?item=GHF1PRJ000000... - 59k - En caché - Páginas similares

Saludos :))

To me the feeling of the text is that the symbolism of the project allows visitors to make up their own minds or "do" what they want with the building

....where the symbolism leaves the visitor with a blank check...

Maybe, too poetic/interpretive

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Note added at 2 hrs (2009-06-01 22:49:02 GMT)
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or better as you're in Britain: blank cheque

As I'd prefer to put it.