When a snow emergency is called in Union Square, the whole neighborhood rearranges itself overnight, and the alleys and back lots become the hard part. Bento Snow Removal Service plows and shovels through those hours, clearing driveways, cutting walkways down to pavement, and spreading salt on the steep little aprons that run from sidewalk to garage. Somerville packs a lot of doorways into very little frontage, and every one of them wants a clean way out by breakfast. Come warmer weather the same routes get mowed and trimmed, the beds edged, the hedges shaped, the cleanup bags stacked at the curb. Two seasons, one set of streets learned by heart.