Rocks, seaweed, the ocean floor — all exposed.

People stood up, looking around in confusion. Those who knew anything about tsunamis were already running. The others followed. But it was the dog that had raised the alarm first.

It sensed the approaching danger before anyone else.

By the time a massive wave appeared on the horizon, it was too late to warn — but not too late to act. By the time it crashed onto shore, most people had already escaped.

And all thanks to one nameless dog, who everyone thought was a nuisance — but who became a hero.