Simplify the following text for a Grade 9 native English-speaking person.
Original: This feature was maintained in the ultimate design . Bramante 's dome was to be surmounted by a lantern with its own small dome but otherwise very similar in form to the Early Renaissance lantern of Florence Cathedral designed for Brunelleschi 's dome by Michelozzo .
Simplified: Another idea that Bramante got from Florence Cathedral was the design for the little stone tower which sits on top of the dome and is called the lantern .