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Find correct name
The airport is not listed as João Paulo II anywhere.
The airport's own website calls itself simply Ponta Delgada, and has no mention of João Paulo.
Template:Regions of Portugal: statistical (NUTS3) subregions and intercommunal entities are confused; they are not the same in all regions, and should be sublisted separately in each region: intermunicipal entities are sometimes larger and split by subregions (e.g. the Metropolitan Area of Lisbon has two subregions), some intercommunal entities are containing only parts of subregions. All subregions should be listed explicitly and not assume they are only intermunicipal entities (which accessorily are not statistic subdivisions but real administrative entities, so they should be listed below, probably using a smaller font: we can safely eliminate the subgrouping by type of intermunicipal entity from this box).
The official website of the CCB does not use American English.
The official website does not give an English title for the CCB at all, but it uses 'centre' not 'center' throughout its English version, and displays the UK's flag not the USA's.
Wikipedia needs to stop being so USA-centric, particularly where Wikipedia's articles draw on official websites that do not use the American dialect of English.
There is also no such thing as a 'Jacques Delors European Information Center'. If you check the official wwebsite you will see that it is correctly spelled the British way, not the American way.
Lack of/incorrect information on construction materials
Current geobox information shows concrete as the material of the CCB. The history page of the official website (Portuguese language version) makes no reference to concrete, and instead describes the walls of the building as covered in limestone (assuming slabs) fixed on "metallic supports" which could suggest a steel frame. Even if some concrete was used in construction, the lack of any other relevant information about the CCB's construction implies that concrete is the primary material.