(L-R) Princess Leonor of Spain, Princess Sofia of Spain and Princess Letizia of Spain meet Pope Benedict XVI during World Youth Day 2011 celebrations at Zarzuela Palace on August 19, 2011 in Madrid, Spain. Initiated by Pope John Paul II in 1985, World Youth Day youth-oriented events for the celebration of the Catholic faith are held every three years in a different country; this time in Madrid from August 16th to 21st, with Pope Benedict XVI in attendance.
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