Tourists from the US walking down a small alleyway as they take part in a snack bar tour in Tokyo.
Down a Tokyo street lined with bright signs, up narrow stairs and behind a windowless door is a "snack bar" long cherished by regulars but hidden from tourists – until now.
Snack bars are cosy, retro establishments found across Japan, often crammed into small buildings and equipped with karaoke systems that echo late into the night.
