Mourners are gathering in Vatican City and lining the streets of Rome to give a final send-off to Pope Francis, who will be remembered as a champion of the poor and for his efforts to reshape the Catholic Church.

The funeral for Pope Francis was intended to be a stripped-down affair to honor the simplicity of the man. Instead, the attendance of President Donald Trump has turned it into a high-profile stage for international diplomacy at a moment of geopolitical turmoil.