Yet this Bangkok native has grand plans to revive the River of Kings, as Chao Phraya translates into English. At $1.57 billion, Chadatip says Icon is the largest privately funded project in Thai history. Besides 5.5 million square feet of retail space, the site will include two high-rise residential towers, a museum, a half-kilometer-long river walk, extensive art, theater and conference facilities, plus docks for river cruisers and private yachts.