The second style, also known as the 'Architectural Style,' is a significant phase of Roman wall painting that emerged around the late 1st century BCE and lasted until the early 1st century CE. This style is characterized by a shift from flat, patterned backgrounds to more complex illusionistic architecture that creates the appearance of depth and space on flat walls. It often incorporates architectural elements like columns, arches, and perspectives that mimic three-dimensionality, effectively transforming the walls into openings to imaginary landscapes or architectural vistas.
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