ﺍﻟﻔﻠﺴﻄﻴﻨﻴﻮﻥ ﻳﺤﺘﻔﻠﻮﻥ ﻓﻲ ﻳﻮﻡ ﺍﻟﺰﻱ ﺍﻟﻔﻠﺴﻄﻴﻨﻲ