The Wall is the eleventh studio album by the English progressive rock band Pink Floyd, released on 30 November 1979 by Harvest and Columbia Records. It is a rock opera that explores Pink, a jaded rock star whose eventual self-imposed isolation from society forms a figurative wall. The album was a commercial success, topping the US charts for 15 ...
A green wall is a vertical built structure intentionally covered by vegetation. Green walls include a vertically applied growth medium such as soil, substitute substrate, or hydroculture felt; as well as an integrated hydration and fertigation delivery system.