The buildings and the beautiful mosaics inside them are part of our cultural heritage that should be protected and preserved. The visitors are not allowed to step inside the buildings, on the mosaics or the walls, but the present railing that is supposed to stop them from intentions of that kind is a terrible solution. Small metal balusters should be placed around the buildings, coloured black with round top and heavy support, partially dug into ground for stability, connected with thick ropes.