Caution complete with pipe August 13, 2014Doorarchitecture, Cambridge, Caution, City, Door, historical center, Massachusetts, photography, pipe, travelJulie (aka Cookie) Cambridge, Massachusetts / Julie Cook / 2014 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Pinterest (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)Click to share on Tumblr (Opens in new window)Like Loading...