Will New York Build The World’s Largest Pop-up Culture Venue?

Usually pop-ups are relegated to the tiny and the temporary, like Zaha’s pop-up hair salon or this hammam-turned-library in Bulgaria. But if the ambitious Hudson Yards development continues apace, come 2017 the city may bestow on itself one of its fanciest architectural toys yet: a 150-foot-tall giant glass box outfitted with a hideaway synthetic shell that can glide out and enclose a public plaza.