FEATURE: Japanese descendants drive rise in roots tourism

TOKYO - Holding the passenger record documenting his 97-year-old father's voyage from Japan to Brazil nearly a century ago, Sergio Kohatsu uncovered details of a journey that had long remained a mystery.

Kohatsu is among a growing number of descendants of Japanese emigrants traveling to Japan to trace their family roots, a trend driven by social media, the weak yen and rising interest in genealogy.