A barbed wire fence decorated with South Korean national flags is pictured near the demilitarized zone which separates North and South Korea in Paju October 31, 2014. 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. Picture taken October 31, 2014. REUTERS/Kim Hong-Ji (SOUTH KOREA - Tags: ANNIVERSARY CIVIL UNREST POLITICS SOCIETY)

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