Spain's Crown Prince Felipe (L4) and Princess Letizia (L3) attend a tribute of former International Olympic Committee (IOC) President Juan Antonio Samaranch at the Catalonia regional government headquarters in Barcelona, April 22, 2010. Juan Antonio Samaranch died at the age of 89 on April 21, 2010 in Barcelona after suffering from severe heart attack. [Xinhua/Arnau Bach]