
GAZA CITY, GAZA - MAY 15: A Palestinians hold a Palestinian flag during the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. For the Palestinians it is an annual day of commemoration of the di ( Ali Jadallah - Anadolu Agency )

GAZA CITY, GAZA - MAY 15: Palestinian boy holds a key maket during a ceremony marking the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. ( Ali Jadallah - Anadolu Agency )

GAZA CITY, GAZA - MAY 15: Palestinian man holds a key maket during a ceremony marking the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. ( Ali Jadallah - Anadolu Agency )

GAZA CITY, GAZA - MAY 15: A Palestinians hold a Palestinian flag during the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. ( Ali Jadallah - Anadolu Agency )

GAZA CITY, GAZA - MAY 15: Palestinian woman holds a key maket during a ceremony marking the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. ( Ali Jadallah - Anadolu Agency )

GAZA CITY, GAZA - MAY 15: A Palestinians hold a Palestinian flag during the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. ( Ali Jadallah - Anadolu Agency )

GAZA CITY, GAZA - MAY 15: A Palestinian girl with a key shaped hairclip attends a ceremony marking the 68th anniversary of Nakba, also known as Day of the Catastrophe, in Gaza City, Gaza, on May 15, 2016. ( Ali Jadallah - Anadolu Agency )