Originally Posted by
jimmuller
Great photo. I was in Cambridge in '78, and I'm pretty sure the Zakim Bridge didn't exist then.

+1.
(Looking for other clues in the photo, and there are surprisingly few. Appears to be a DirecTV dish on the chimney of the house behind the tree, and hi-viz yellow wasn't used on signs in 1978. Plus those don't look like the 210cm skis that someone would have worn in the 1970s).