Centro Vasco de Arquitectura
Euskal Herriko Arkitektura Ikerkundea
http://www.archdaily.com/272280/ground-zero-master-plan-studio-daniel-libeskind/20120906040317pm_20120806-wtc-overview-credit-joe-woolhead-01-2
http://libeskind.com/work/ground-zero-master-plan/
http://www.archdaily.com/71618/wtc-transit-hub-santiago-calatrava/