Overview: There are more than 1,300 companies in Japan that have been in business for over 200 years. How have these companies, which have survived challenges such as wars, natural disasters and economic crises, continued to operate for so long? This episode features a construction company founded in 578. What difficulties has this company overcome during its long history? What has it worked to preserve for over 1,400 years? Learn the secrets of its longevity.