Great Colonnade at Apamea columns display two main designs: a plain one, and the distinctive spiral-flutes. Archaeologist Jean Lassus argues that the former dates back to the Trajanic period, while the latter to that of Antoninus Pius. The colonnade's porticoes were paved with extensive mosaics along the full stretch of the colonnade. Under the Byzantine Emperor, Justinian I, several parts of the colonnade were restored. The street was narrowed to by adding a sidewalk on either side. Several stretches of the street had their Roman pavement replaced with a new pavement made of squared blocks of limestone. The new pavement also covered a completely
Architectural illustrator features in architectural illustration, although within these restrictions some artists such as William Walcot were known for a more fluid impressionistic style. Architectural illustrations and models are often used during client presentations, fundraising events, sales pitches, and meetings regarding permits. Computer based software such as SketchUp and other products produced by a variety of publishers can be used by architectural illustrators in creating architectural renderings. Architectural illustrator An architectural illustrator is an artist who creates imagery for the design professional that accurately portray the details of an architectural project. These images are used to communicate design ideas to clients, owners,