Stock Photo: ATM machines in the Citibank new flagship high tech branch in the Union Square neighborhood of New York The 9, 700 square foot branch is on the site of the closed Virgin Music Megastore and is open seven days offering interactive sales walls and enhanced. ATM machines in the Citibank new flagship high tech branch in the Union Square neighborhood of New York The 9, 700 square foot branch is on the site of the closed Virgin Music Megastore and is open seven days offering interactive sales walls an