Australian Prime Minister Tony Abbott (C) smiles with Australian mining giant Rio Tinto CEO Sam Walsh (L) and BHP Billiton CEO Andrew Mackenzie (R) at a reception at the Australian embassy in Tokyo on April 6, 2014. Abbott is on a four-day visit to Tokyo where he will meet with his Japanese counterpart Shinzo Abe. AFP PHOTO / Yoshikazu TSUNO (Photo credit should read YOSHIKAZU TSUNO/AFP/Getty Images)
