It was the second serious European power outage in less than six weeks after a March 20 fire shut down Heathrow Airport in the U.K.

The blackout that engulfed the Iberian Peninsula on Monday was chaotic and stressful for many. But it had a silver lining: People were forced away from their screens and into the “real” world, connecting with the present and one another.

The countries’ top officials were trying to determine the cause of an outage that left tens of millions of people across the Iberian Peninsula without power.