People line up at an ATM outside a National Bank branch in Athens, capital of Greece, on June 29, 2015. Greek banks will stay closed before July 6, one day after a planned referendum on bailout proposals, and ATM withdrawals will be limited to 60 euros (65 U.S. dollars) a day per bank card in the same period, the government said early Monday. (Xinhua/Marios Lolos)