Answer:
They are stupefied by the extreme detail, characteristics, and "perfection" of the figures.
Step-by-step explanation:
Men are stupefied by the excellence of the figures, the perfection of the foreshortening, the stupendous rotundity of the contours, the grace and slenderness and the charming proportions… every age, expression and form being represented in varied attitudes, such as sitting, turning, holding festoons of oak-leaves and laurel, the device of Pope Julius, showing that his was a golden age, for Italy had yet to experience her miseries