Tokyo is an energetic, bustling metropolis. But take a few steps off the main streets, and it reveals a different side to its character. This time on Japanology Plus, we explore the backstreets and alleys of Japan's capital city. Satoshi Okamoto shows us secrets and shortcuts in Ginza. Akiko Shiihara explains how alleys have turned Yanaka into an unexpected tourist hotspot. And Hidekichi Mizuno tells us how he started his alleyway business career -- by selling tangerines on the street.