Saadiyat museum updates:
Louvre Abu Dhabi: completed
Photo source: https://www.thenational.ae/opinion/comment/ghadan-21-the-next-phase-of-abu-dhabi-s-development-1.879245
Guggenheim & Sheikh Zayed National Museum: delayed for a decade already:
Photo source (2010): https://www.nytimes.com/2012/01/25/world/middleeast/abu-dhabi-reaffirms-its-grand-plan-for-museums.html