So it was an absolute miracle and Utzon was really so overwhelmed that a foreign country took him on to build something that was so bizarre in many ways.
He never has (seen it) but if you talk to Joern he doesn't need to,
It's almost the first word when he wakes up and his last thought before he goes to bed, continuing to develop all his ideas for the Opera House.
If you look at the original drawings you can see how sketchy some of them were,