写真素材 - The motorway is protected against noise emission by noise-absorbing barrier (also called a soundwall, noise wall, noise barrier, sound barrier, or acoustical barrier) is an exterior structure designed to protection of people against noise.
The motorway is protected against noise emission by noise-absorbing barrier (also called a soundwall, noise wall, noise barrier, sound barrier, or acoustical barrier) is an exterior structure designed to protection of people against noise.