Video about the reconstruction works in the tunnel
Most of our news updates were about the reconstruction of the stations themselves, yet there are also works going on in the tunnel as well. Both the track and the tunnel developments are important parts of the general reconstruction of metro line M3, although less spectacular.
When the works will be finished, these improvements cannot be observed by the ridership - since they are off-limit areas - yet tunnel and track developments are essential part of the general reconstruction.
A frame from the video