Madrid Baracas Terminal 4 roughly equivalent to building the whole of Heathrow airport i.e including 2 runways and a metro line extension. 7 years from concepti

Madrid Baracas Terminal 4 roughly equivalent to building the whole of Heathrow airport i.e including 2 runways and a metro line extension. 7 years from conception to first passengers. https://en.m.wikipedia.org/wiki/Adolfo_Suárez_Madrid–Barajas_Airport https://en.m.wikipedia.org/wiki/Adolfo_Suárez_Madrid–Barajas...