(Reuters) - A tired and sombre-looking Pope Francis led a Palm Sunday service before more than 100,000 people, opening two packed weeks of activities including Easter and the canonization of two popes.
The faithful waved palm and olive branches as the 77-year-old Argentine pope, whose pontificate is 13 months old, rode into the square on a white jeep and stopped at the centre of the square to bless palm and olive branches.
The pontiff, wearing red vestments, appeared fatigued at the start of the ceremony and was particularly solemn when he delivered an impromptu homily, putting aside the one he had prepared.
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