Kidman and Urban have two daughters, Sunday Rose and Faith Margaret, the younger of whom was born via surrogate. Both of the actresses children from her previous marriage to Tom Cruise were adopted.
books.google.com - De Re Aedificatoria, by Leon Battista Alberti (1404-1472), was the first modern treatise on the theory and practice of architecture and in its time a model of learned Latin writing.
An architecture principle is the enforced way a concept works throughout a structure producing certain results. Every principle that is valid throughout the structure the architecture (total concept) is applied onto, is an Architecture Principle to that structure.