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Palestinians burn tires in fields to mark Land Day in the village of Khuzaa, east of Khan Yunis near the border fence between Israel and the southern Gaza Strip on March 30, 2015. On the annual Land Day, demonstrations are held to remember six Arab Israeli protesters who were shot dead by Israeli police and troops during mass demonstrations in 1976 against plans to confiscate Arab land in the Galilee. AFP PHOTO / SAID KHATIB (Photo credit should read SAID KHATIB/AFP/Getty Images)

Palestinians burn tires in fields to mark Land Day in the village of Khuzaa, east of Khan Yunis near the border fence between Israel and the southern Gaza Strip on March 30, 2015. On the annual Land Day, demonstrations are held to remember six Arab Israeli protesters who were shot dead by Israeli police and troops during mass demonstrations in 1976 against plans to confiscate Arab land in the Galilee.  AFP PHOTO / SAID KHATIB        (Photo credit should read SAID KHATIB/AFP/Getty Images)