Pope Francis unveils the sculpture on the theme of refugees and migration ' Angels Unawares ' by Canadian sculptor Timothy P. Schmalz, on Migrant and Refugee World Day, in St. Peter's Square, at the Vatican, Sunday, Sept. 29, 2019.

Pope Francis unveils a sculpture on the theme of refugees and migration titled, 'Angels Unawares', by Canadian sculptor Timothy P. Schmalz, on Migrant and Refugee World Day, in St. Peter's Square at the Vatican, September 29, 2019.

© 2019 Andrew Medichini/AP Images