Dignitaries shovel confetti during the groundbreaking ceremony for Mall of America's phase II, which will include a hotel, offices and more retail space, Tuesday, March 18, 2014, at the MOA Rotunda in Bloomington, Minn. (AP Photo/The Star Tribune, Richard Sennott) MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES TV OUT