Notes

Imagine looking out to sea from a sunny beach. Something is wrong. The tide goes out - and does not come back. All the way to the horizon, the sea floor is revealed. Fish flop helplessly, boats are stranded. And now comes the great wave. With a deafening roar, it rears up like a moving mountain, crashing ashore with unimaginable force. Read abaout terrible events that have shaken the world throughout history. From towering tsunamis to deathly plagues, encounter the power of natural forces. Find out about environmental catastrophies and future threats, as well as man-made disasters.