The distance between the two platforms at Kitay-Gorod station is 180 meters. They are separated by two marble walls with bronze lettering, utility lines, reinforced concrete slabs, drainage systems, and a layer of soil. Standing on the platform waiting for a train and looking toward Tekstilshchiki, Matvey thought… he thought about something of his own, something he didn’t feel like sharing. But regarding the thickness of the marble cladding, he said he had no idea. And gave a suspicious look.