BRUSSELS, BELGIUM - MAY 17: Banner reading "Coronavirus Mondiale Respons" is hanged outside the European Commission building in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: European Union flags fly in front of the European Commission headquarters as a banner reading "United Against Coronavirus" and "Strong Together" is hanged outside the building in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: Banner reading "Coronavirus Mondiale Respons" is hanged outside the European Commission building in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: People keeping their social distance as a precaution against coronavirus (Covid-19) walk their dogs at Parc du Cinquantenaire in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17:People wearing masks as a precaution against coronavirus (Covid-19) walk past the European Commission building in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: People some wearing masks as a precaution against coronavirus (Covid-19) enjoy warm weather at Parc du Cinquantenaire in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: People some wearing masks as a precaution against coronavirus (Covid-19) take a walk at Parc du Cinquantenaire in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: People wearing masks as a precaution against coronavirus (Covid-19) walk past the European Commission building in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 17: People keeping their social distance as a precaution against coronavirus (Covid-19) are seen at Brugmann Hospital in Brussels, Belgium on May 17, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Police officers check people's mask in various spots in Brussels, Belgium on May 16, 2020. In Belgium, taking precautions to fight against the novel coronavirus (Covid-19) pandemic continues. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Brussels Airport remains empty after Belgium extends flight cancellations by 11 more days until 18 June within coronavirus (Covid-19) measures in Brussels, Belgium on May 16, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Brussels Airport remains empty after Belgium extends flight cancellations by 11 more days until 18 June within coronavirus (Covid-19) measures in Brussels, Belgium on May 16, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM

BRUSSELS, BELGIUM - MAY 16: Brussels Airport remains empty after Belgium extends flight cancellations by 11 more days until 18 June within coronavirus (Covid-19) measures in Brussels, Belgium on May 16, 2020. Dursun Aydemir / Anadolu Agency/ABACAPRESS.COM