What is the fine-grained topic of the following text: The Mornand plotting, which means the area situated between Aviatorilor Avenue, Dorobanti Street and Zambaccian Museum Street, was from the very beginning a select residential area of Bucharest, designed with definite principles and rigorous rules, and, especially, enjoying a particular architecture which was not found but in a few other areas of the capital. Only return the topic.
Architecture of the Mornand Plotting area in Bucharest