Said he knew the characteristics of North American architecture and European architecture.

The obvious features of North American architecture are large windows, attics, four-slope roofs, rich colors and smooth lines. Neighborhood atmosphere pursues leisure, vitality, freedom and openness. The building scale of American villas is generally larger than that of English villas, and the visual symbols of typical North American buildings such as gables, double-line roofs and Gothic spires are adopted.

Mediterranean-style architecture abandons flashy stones and adopts red tiles and white walls to create a simple texture that blends with nature. There are often many asymmetric designs, especially Spanish-style buildings, which adopt many arc structures, including walls, guardrails, door and window frames and even tiles used on the roof. The facade is warm and mellow in color, concise and rich in texture. The building contains many cloisters, frames and observation decks.

French architecture has clear lines, concave and convex, a large number of inclined planes, stable colors, rich shapes and heavy volume. Architectural elements: the roof is mostly Sha Meng style, with turning slopes; There are many exquisite tiger windows on the roof, either round or pointed, with different shapes; The exterior wall is decorated with stone or antique stone; French colonnade, carved flowers and lines are used in detail treatment, showing a romantic and elegant style. The whole building is mostly symmetrical and magnificent.

British buildings are mostly red bricks, sloping roofs and dark gray roofs. English villas have simple lines and dignified colors. The use of architectural languages and symbols such as sloping roofs, tiger windows, parapets and sun rooms fully explains the solemnity and simplicity unique to English architecture. The main features of British architecture are steep roofs, deep cornices, exposed wood, frames and brick footings.

German-style buildings are angular, relatively simple in shape, accurate in proportion, functional and good in construction quality, giving people a clean and rigorous overall feeling. Architectural elements: asymmetric plane, heavy granite, high slope roof, heavy masonry wall, narrow window, semi-circular arch coupon, light and transparent flying crib, slender flower window inlaid with colored glass.

The four most influential styles of Italian architecture are Byzantine architecture, Romanesque architecture, Gothic architecture and Baroque architecture. The most common main features of Italian architecture are: a, square tower, low slope and four-slope roof, mostly with two or three floors; B, slender window with arched decorative lintel (inverted U-shape); C, the decorative brackets are uniformly arranged under the wide and long eaves; D, there are many carvings on the gate, and the carving of the door frame is also more complicated.