This Massive Steel Structure Will Entomb Chernobyl's Reactor 4

When an unexpected power surge sparked the world's worst nuclear accident in Chernobyl, nearly a quarter of a million construction workers risked their lives to build an ad hoc "sarcophagus" of concrete around the stricken reactor. It was a stop-gap measure—and now, almost 3o years later, one of the biggest… » 11/29/13 11:30am 11/29/13 11:30am