 He also inherited the numerous schemes designed and redesigned by some of the greatest architectural and engineering minds of the 16th century.There were certain common elements in these schemes.They all called for a dome to equal that engineered by Brunelleschi a century earlier and which has since dominated the skyline of Renaissance Florence, and they all called for a strongly symmetrical plan of either Greek Cross form, like the iconic St. Mark's Basilica in Venice, or of a Latin Cross with the transepts of identical form to the chancel, as at Florence Cathedral.