Thousands of Christians celebrate Palm Sunday in Jerusalem Thousands of Palestinian and foreign Catholic Christians celebrated Palm Sunday in Jerusalem. The traditional Palm Sunday procession goes from Mt. Olives to Jerusalem's Old City. The ceremony is a landmark in the Christian calendar, marking the triumphant return of Christ to Jerusalem the week before his death, when a cheering crowd greeted him waving palm leaves. Palm Sunday marks the start of the most solemn week in the Christian calendar. IMAGES AND SOUNDBITES