The trench forms the foundations of a concrete wall. The wall is now being poured and stands around 1m high and sits along one edge of the covered walkway. So far there are no crossing points and I can not work out what this wall is meant to achieve except to divide the pavement into two. Maybe the wall will divide the airport coach waiting area from people walking into the terminal but as the covered walkway is in the coach half of the pavement maybe not. Just seems pointless to me and at the moment it is a long walk to get around it.