Photos: Pope Francis' inauguration

Crowds gather in St Peter's Square ahead of Pope Francis' arrival for his inauguration Mass in Vatican City on Tuesday, March 19. Some 150,000 to 200,000 people turned out, a Vatican spokesman said.

Crowds gather in St Peter's Square ahead of Pope Francis' arrival for his inauguration Mass in Vatican City on Tuesday, March 19. Some 150,000 to 200,000 people turned out, a Vatican spokesman said.