'It takes two to tango' is a common idiomatic expression when referring to a situation in which a couple should pair to attain a certain goal. Well, in Buenos Aires, Argentina, last November, it was not two but four entities joining forces at the 44th Directing Council Meeting of the Pan-American Institute of Geography and History (PAIGH) to expedite the building of spatial data infrastructure (SDI) for the Americas. Indeed, the main regional entities playing a key role in SDI development in the Americas launched the Joint Plan 2013-2015 to harmonise efforts and work plans, foster specialisation and avoid duplication, as well as to prepare relevant institutions in the region for constant technological changes and innovations.
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