Why do some trends fizz out, while some stick around and — in many cases — keep coming back stronger year after year? Take terrazzo: We've been hawking that gorgeous, endlessly reconfigurable aggregate since at least 2013, but the design world's adoration of it has hardly waned in the six years since. Still, when you find an application that stops you in your tracks, it’s worth noting, which we happily did this week with an apartment in Lithuania by DO Architects.