Perrault's Colonnade divided into five parts, is a typical solution of French classicism. The simple character of the ground floor basement sets off the paired Corinthian columns, modeled strictly according to Vitruvius, against a shadowed void, with pavilions at the ends. This idea of coupled columns on a high podium goes back as far as Bramante. Those rhythmical columns form a shadowed colonnade with a central pedimented triumphal arch entrance raised on a high, rather defensive base. Crowned by an uncompromising Italian balustrade along its distinctly non-French flat roof, the whole ensemble represents a ground-breaking departure in French architecture. Perrault (1613–1688) won
Architectural conservation life and preserving the integrity of architectural character, such as form and style, and/or its constituent materials, such as stone, brick, glass, metal, and wood. In this sense, the term refers to the "professional use of a combination of science, art, craft, and technology as a preservation tool" and is allied with - and often equated to - its parent fields, of historic environment conservation and art conservation. In addition to the design and art/science definition described above, architectural conservation also refers to issues of identification, policy, regulation, and advocacy associated with the entirety of the cultural and built environment.