VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (2 R) is welcomed with an official ceremony as he arrives for an official visit to meet Pope Francis in Vatican City, Vatican on February 05, 2018. ( Kayhan Özer - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (2 L) and his wife Emine Erdogan (L) are welcomed by Archbishop Georg Ganswein (R) during an official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (not seen) is welcomed by Archbishop Georg Ganswein (C) during an official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (L) is welcomed by Archbishop Georg Ganswein (R) during an official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (L) is welcomed by Archbishop Georg Ganswein (R) during an official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (L) and his wife Emine Erdogan (rear L) are welcomed by Archbishop Georg Ganswein (R) during an official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (L) and his wife Emine Erdogan (rear L) are welcomed by Archbishop Georg Ganswein (R) during an official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (2 L) and his wife Emine Erdogan (front L) are welcomed by Archbishop Georg Ganswein (R) during his official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (2 L) and his wife Emine Erdogan (front L) are welcomed by Archbishop Georg Ganswein (R) during his official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (front L) is welcomed by Archbishop Georg Ganswein (front R) during his official visit in Vatican City, Vatican on February 05, 2018. ( Gökhan Balcı - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (L) meets with Pope Francis (R) during his visit in Vatican City, Vatican on February 05, 2018. ( Kayhan Özer - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (R) meets with Pope Francis (L) during his official visit in Vatican City, Vatican on February 05, 2018. ( Kayhan Özer - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (R) meets with Pope Francis (L) during his official visit in Vatican City, Vatican on February 05, 2018. ( Kayhan Özer - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (L) meets with Pope Francis (R) during his visit in Vatican City, Vatican on February 05, 2018. ( Kayhan Özer - Anadolu Agency )
VATICAN CITY, VATICAN - FEBRUARY 05: Turkish President Recep Tayyip Erdogan (R) meets with Pope Francis (L) during his official visit in Vatican City, Vatican on February 05, 2018. ( Kayhan Özer - Anadolu Agency )