Afghan refugees protest against the closure of the Greece-Macedonia border near the Greek village of Idomeni on Feb. 22, 2016. (credit:SAKIS MITROLIDIS via Getty Images)
(02 of11)
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A boy cries while looking through a fence at the Greece-Macedonia border. (credit:SAKIS MITROLIDIS via Getty Images)
(03 of11)
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A man attempts to climb over a fence. (credit:SAKIS MITROLIDIS via Getty Images)
(04 of11)
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Children hold signs asking Macedonia to open the border. (credit:SAKIS MITROLIDIS via Getty Images)
(05 of11)
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Greek policemen stop refugees from advancing toward the border. (credit:Giannis Papanikos/ASSOCIATED PRESS)
(06 of11)
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A man lies on the ground with a placard reading \"Open.\" (credit:SAKIS MITROLIDIS via Getty Images)
(07 of11)
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Greek policemen block refugees from advancing. (credit:ASSOCIATED PRESS)
(08 of11)
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Refugees push against a fence at the Greece-Macedonia border. (credit:Giannis Papanikos/ASSOCIATED PRESS)
(09 of11)
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Men, women and children wait on the Greek side of the border. This photo was taken from the Macedonian side. (credit:ROBERT ATANASOVSKI/AFP/Getty Images)
(10 of11)
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People wait outside the Greece-Macedonia border. The sign reads, \"Open the borders. No return.\" (credit:ROBERT ATANASOVSKI/AFP/Getty Images)
(11 of11)
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Refugees hold signs protesting against the border\'s closure. (credit:SAKIS MITROLIDIS/AFP/Getty Images)