BRUSSELS, BELGIUM, November 10 2019: People strolling on alleys on a sunny autumn morning in Cinquantenaire park. Stock Photo

RF2AAR303–BRUSSELS, BELGIUM, November 10 2019: People strolling on alleys on a sunny autumn morning in Cinquantenaire park.

Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News Stock Photo

RM2A8PB9X–Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News

BRUSSELS, BELGIUM, November 10 2019: Sunny autumn morning in Cinquantenaire park with the Triumphal Arch in view and people strolling on alleys. Stock Photo

RF2A91YAC–BRUSSELS, BELGIUM, November 10 2019: Sunny autumn morning in Cinquantenaire park with the Triumphal Arch in view and people strolling on alleys.

RM2A8PB7N–Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News

BRUSSELS, BELGIUM, November 10 2019: The Great Mosque of Brussels located in the north-western corner of the Cinquantenaire Park, on a sunny autumn da Stock Photo

RF2AE2XAH–BRUSSELS, BELGIUM, November 10 2019: The Great Mosque of Brussels located in the north-western corner of the Cinquantenaire Park, on a sunny autumn da

RM2A8PBA2–Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News

RM2A8PB86–Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News

BRUSSELS, BELGIUM, November 10 2019: Sunny autumn morning in Cinquantenaire park with people strolling on alleys. Stock Photo

RF2A91YB7–BRUSSELS, BELGIUM, November 10 2019: Sunny autumn morning in Cinquantenaire park with people strolling on alleys.

RM2A8PB8B–Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News

BRUSSELS, BELGIUM, November 10 2019: Tourists visiting the main square Grand Place on a sunny autumn day Stock Photo

RF2AB88K2–BRUSSELS, BELGIUM, November 10 2019: Tourists visiting the main square Grand Place on a sunny autumn day

RM2A8PB7K–Brussels, Belgium. 10th Nov, 2019. Brussels, Belgium on November 10, 2019. Ecumenical Patriarch Bartholomew holds a mass at Saints Archangels Michael and Gabriel Orthodox Cathedral. Credit: ALEXANDROS MICHAILIDIS/Alamy Live News

RF2AB88J7–BRUSSELS, BELGIUM, November 10 2019: Tourists visiting the main square Grand Place on a sunny autumn day