UFO landing pad? World's smallest velodrome?published at 16:16 Greenwich Mean Time 22 November 2016
David Keller
BBC News
We first told you about this bizarre new Cambridge junction, dubbed the "ghost roundabout", after we spotted a chap on Twitter yesterday asking other users what on Earth it was.
If you haven't yet seen it, a cobbled brick circle now straddles the road and pavement along Tenison Road, after it opened again last Friday following months of works.
We asked for your help to decipher what it was, and it certainly appears to have caught your imagination - and prompted some ridicule.
Below are some of our favourite comments posted on BBC Look East, external and Radio Cambridgeshire's, external Facebook pages.
Carol Mallett - It's so the drunks keep going round in circles, the cops know where to find them.
Gilbert Aldous - It looks like a target to me. Newly designated sinkhole space maybe?
Donna Dean - Next entry for the Turner Prize?
Cliver Ambler - The world's smallest velodrome.
Marion Marshall - UFO landing pad?
Robin Petherbridge - Pedestrian roundabout?
We've found out from the county council it's just a feature in the road that was put in to slow drivers down and it has no other purpose.