Mr. Angelidakis said that his cool, unnerving concourse was designed as a "soft, quiet, serene space, almost like going on vacation someplace.
The transportation concourse is designed to stretch from the World Financial Center eastward to a new Fulton Transit Center, to be built above the tangle of subway lines that have stops at the Fulton Street and Broadway-Nassau Street stations.
The 50,000-square-foot concourse is designed to serve tracks 1 to 12.
It is squarely at home on the Concourse, which was designed in the late 19th century to be a speedway for people coming from Manhattan to the parks of the north Bronx.
The concourse, to be designed by Transit Link Consultants, will improve the flow of passengers to and from New Jersey Transit's platforms and allow it to add three or four trains an hour, said George D. Warrington, the agency's executive director.
About 150 media members had credentials for the game, and the concourse was already crowded.
Federal agents responded to the scene, the concourse was cleared and planes were moved to other concourses.
The concourse was expanded to two levels connected by escalators and an elevator.
The concourse was a primary result.
The concourse was then broken down into 46 statements.
