The completion of the arena would be an astonishing feat for a city that not long ago was being written off.
This world record for steam traction was widely regarded as an astonishing feat.
It was an astonishing feat for a mere major.
The landing was acknowledged as an astonishing feat of airmanship.
It was an astonishing feat that was finished within two years of the commission being made.
He had done something which, everybody agreed, was an astonishing feat; but about which nobody seemed to care.
Once open, these parts of the mind can perform astonishing feats and induce powerful changes in the outside world.
Even with the bunker itself having been dropped pre-built, it was an astonishing feat.
That was the limit for him, for it had been an astonishing feat.
The Independent calls the museum "an astonishing architectural feat".