Lifestyle

Here’s the story behind Boston’s 2,200 bright red fire alarm boxes

You see them on lampposts and street corners. But what do they actually do?

[bdc-gallery id=”467430″]

Brian McWilliams is a history buff who shoots photos of the city on his walking commute. You can find more of his work on Instagram.

To comment, please create a screen name in your profile

Conversation

This discussion has ended. Please join elsewhere on Boston.com