Named after its façades filled with greenery, ‘Stacking Green’ was designed by Vo Trong Nghia for a for a thirty-year-old couple and their mother. The house is located in Saigon, a chaotic city in Vietnam with one of the highest population densities in the world, on a block of land which measures only 4m in width and 20m in length. The front and back façades are constructed of layers of concrete planters cantilevered from two side walls…