A combination picture shows sections of the border fence which separates Morocco from Spain's north African enclave of Melilla, December 3, 2013. On the 25th anniversary of the fall of the Berlin Wall, there are still barriers separating communities around the world, from the barbed wire fence dividing the two Koreas, the fence around the Spanish enclave of Melilla, to the sectarian Peace Wall in Belfast, the Israel-Gaza barrier and the border separating Mexico from the United States. Pictures taken December 3, 2013. REUTERS/Juan Medina (SPAIN - Tags: ANNIVERSARY CIVIL UNREST POLITICS SOCIETY IMMIGRATION)

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