sentences:  Rumoured retailers include Gucci, Prada, Kenneth Cole and Tiffany & Co.The Towers are notable due to the massive scope and scale of the building, and it would have easily surpassed the city's current tallest building, the 423 foot (129 m) Wells Fargo Center.The project had been on hold since January 7, 2007 due to liens being filed against developer John Saca, totaling $7.3 million.