There were actually several building techniques that were introduced by the Romans, but perhaps the most important was the bridge building technique that allowed bridges to be built without supports.
Trees, shadows, detailed ground
To give a warmer or more inviting tone, especially in a natural portrait.
Answer: A line can describe, showing delineation or, when materialized, result in linear form and can become sculpture without tangible volume. ... Besides describing volume or space, lines can be used to only suggest movement.
Explanation: Your welcome!