The irregular building with a crack in the wall is partly covered with grass. This creates an impressive contrast with the rest of façade, which is swathed in black steel netting. These green islands ...

One of D.C.’s newest trophy office buildings now has the city’s biggest green wall. 17xM, a 334,000-square-foot, 11-story building at 1150 M Street, N.W., includes a two-story, 1,500-square ...