PEOPLE PLAY WITH EURO BALLS AT MADRID'S CENTRAL PUERTA DEL SOL.
People play with balls bearing the euro symbol at Madrid's Puerta del
Sol, shortly before the introduction of euro notes and coins in 12
European countries December 31, 2001. Spain assumes the six-month
European Union presidency on Tuesday, the same day euro notes and coins
enter circulation in 12 of the 15 EU nations. REUTERS/Andrea Comas