Jetlagged in Tokyo one morning (maybe 4:30 AM local), I watched a lady open her eatery. She cleaned and readied everything inside, swept the front curb of her

Jetlagged in Tokyo one morning (maybe 4:30 AM local), I watched a lady open her eatery. She cleaned and readied everything inside, swept the front curb of her shop, then proceeded to perfectly sweep the ~10' wide sidewalk in front of her place to the street's edge. How Tokyo lives with its hyperdensity suddenly made sense.