The Argentinian pope is entering his fourth week of convalescence during which doctors have advised him to avoid crowds.

A convalescing Pope Francis greeted the crowd in St. Peter’s Square on Palm Sunday, wishing more than 20,000 faithful a “Good Palm Sunday, a good Holy Week," in yet another reassuring public sign of his recovery from a life-threatening battle with double pneumonia.

Pope Francis made a brief appearance in St. Peter's Square on Sunday at the end of a Palm Sunday service, greeting the crowds from his wheelchair as he continues to recover from double pneumonia. "Happy Palm Sunday,