A $1.6 billion transformation of a post office has gifted the city with a lofty, light-filled steel, glass and marble cathedral, our critic writes.A $1.6 billion transformation of a post office has gifted the city with a lofty, light-filled steel, glass and marble cathedral, our critic writes.Read MoreMoynihan Train Hall, Pennsylvania Station (Manhattan, NY), New York City, Architecture, SKIDMORE, OWINGS & MERRILL, Commuting, Railroads, Art, Infrastructure (Public Works), Amtrak, Cuomo, Andrew M, Area Planning and Renewal