On Friday, March 15, a shiny new city was born within the confines of a great old city.

Andra Day sang “I’ll Take Manhattan” to kick off the official opening ceremonies of Hudson Yards, the huge new development on the borough’s West Side. Co-developed by Related Companies and Oxford, Hudson Yards adds 18 million gross sq. ft. of building area to the city, more than 1 million of it retail.

Hudson Yards’ appearance on the New York scene is nothing less than monumental, which is saying a lot for the nation’s largest city. Related Companies expects 125,000 people a day to inhabit Hudson yards to live, work, and play.

The 101-story 30 Hudson Yards is taller than the Empire State Building six blocks to the east. Neiman Marcus makes its New York debut at The Shops of Hudson Yards. The entirely LEED-certified project has two microgrid cogeneration plants that will keep its lights on even as the Broadway lights dim during blackouts. And Vessel, a beehive-like tower of connected staircases, is destined to become regular stop on tourist bus tours.

Anderson Cooper served as the master of ceremonies, preceding a procession of speakers that included Senator Charles Schumer, Related Companies chairman…