That is the lot line so they either pay for fire rated glass or it gets a blank wall. I would guess they aren't going ultra luxury here so blank wall it is. At least they are doing something with it I guess unlike some other recent projects in Boston.
Their misspelling of "aerial" as "arial" in the rendering is pretty hilarious, in a Freudian slip kind of way. Of course all pretentious developers rhapsodize in their own minds about how their projects will sing like an aria to the surrounding streetscape and urban canyons.
P.S. Egregious spelling mistakes such as these are why these guys lost out to Millennium on 115 Winthrop Sq. proposal during the BPDA's selection phase.
The Zoning Board of Appeal today gave a developer an extra year to start building a 21-story, 230-room hotel at 150 Kneeland St., on a site formerly occupied by a series of nightclubs near South Station. Read more.