It's common to get nostalgic. It seems there are entire industries based on looking back 50 years, and lamenting the damage progress has done in consuming what made the past a golden age.
Donald Richie's Tokyo: A View of the City is just this kind of look back from circa 1999 - a look at the culture and every day life that built the core neighbourhoods of Tokyo, what had gone, what had come, and what was just ahead.