Additionally, central Santa Barbara allows students to understand how the architecture of that time was conceived. The design of buildings, and details depicting the relation each building had with the historical concept of those times is also helpful when studying the Hispanic architecture. A roof design, for instance, has a colonial style that can also be seen in cities such as Cartagena, Mompox or San Juan in Puerto Rico. Santa Barbara has worked very hard to advance its commitment to architectural preservation. New regulations were created to eliminate new constructions disrupting the harmony of Spanish Colonial Revival architecture. New buildings, especially in El Pueblo Viejo, must follow strict city guidelines to minimize a potential mismatch with the historic architecture. When in Santa Barbara, Kenny Slaught encourages visitors to concentrate on tremendous efforts that the city has made to contribute to the preservation of the unique architecture. This does not perform the American style built in the area as a result of the British presence in the area that considerably influenced the way how local architecture has emerged.