Friend of the blog Kally points us toward something a little weird happening in Somerville over the weekend: your friendly neighborhood cement block walker? As Kally tells us, it looks like there may be more to this than meets the eye (which I really, really hope is true).
“Turns out, it’s chalk! I’ve followed it for about 2 miles through Somerville and Cambridge, with the help of some other local Tumblr people.”
We aren’t sure what the story is here, but someone out there has to be able to help.