An unprecedented blackout across Spain and Portugal upended the lives of millions across the Iberian Peninsula, a stark reminder of modern society's reliance on electricity, and how quickly life can descend into chaos when the grid goes down.
Power was nearly completely restored across the region on Tuesday, but the cause of the previous day's blackout remains unclear. For those affected, the experience will likely leave a lasting impression and raise questions on how to respond if another crisis emerges.
