An African migrant stranded in Costa Rica stands with her child at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica sits with her child at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica walk near garbage on the Inter-American highway in the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica speaks on her mobile phone at camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





Dishes of African migrants stranded in Costa Rica are seen at camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





Africans migrants stranded in Costa Rica sit near garbage on the Inter-American highway in the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica stand at camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica carries on his shoulders a child on the Inter-American Highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant boy runs at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica walk near garbage on the Inter-American highway in the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrants stranded in Costa Rica tastes food at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica sits with her child at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant child eats ice cream at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





Africans migrants stranded in Costa Rica wash their clothes in a river at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica cooks food in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant child eats ice cream at makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica uses his cell phone at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica rests with his child at camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 7, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica cooks food in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant child walks in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant child walks in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica walks to collect water on the Inter-American Highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica feeds his daughter at makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica sits outside his camping tent in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





Africans migrants stranded in Costa Rica walk near garbage on the Inter-American highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica looks in a mirror at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





Clothes of African migrants stranded in Costa Rica dry near trash at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica stands at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica walk near garbage on the Inter-American highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





Dishes and clothes of African migrants stranded in Costa Rica are seen near a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica stand at a makeshift camp on the edge of the Inter-American Highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





A makeshift bathroom is seen at a camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica board a bus at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrants stranded in Costa Rica line up to collect water at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica washes their clothes in a river at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica washes her clothes in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica carries firewood in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





African migrant children play in a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant child sits at a makeshift camp at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)





An African migrant stranded in Costa Rica carries firewood on the Inter-American Highway at the border between Costa Rica and Nicaragua, in Penas Blancas, Costa Rica, September 8, 2016. (Photo by Juan Carlos Ulate/Reuters)