Japan is alive with much more than tradition. Cities reverberate with the whirl of crisscrossing trains, pulsating neon, and hurry-scurrying crowds. High-tech skyscrapers rise from the rice paddies. Rural festivals unleash a torrent of raw energy in an otherwise tranquil countryside. And ancient volcanoes-after snoozing for centuries-awaken with a thunderous roar to remind the islands' inhabitants of the mighty forces of nature. Beneath all...