sentences:  White fibreglass is used on the vaults of the central (9.5-metre diameter) and the platform halls (8.5 m) as well as the escalator and transfer corridor ceilings, which also doubles the hydroisolation.Initially it was thought that the station's main decorative feature would include a set of bronze and rock sculptures in the niches of all 30 pylons.Made by leading Russian sculptors, they would stand on granite pedestals with luminescent lamps lighting down on top of them.