Migrant caravan from Central America, its numbers thinning, slowly moves north in Mexico

Honduran migrants taking part in a caravan heading to the U.S., get on a truck near Pijijiapan, Mexico.

Honduran migrant children heading in a caravan to the U.S., travel on a truck near Pijijiapan, Mexico.

Honduran migrants heading in a caravan to the U.S., travel aboard a truck near Mapastepec, Mexico.

Honduran migrants take a bath in a river in Pijijiapan, Mexico.

Central American migrants traveling with a caravan to the U.S. climb onto to a trailer bed, hitching a ride to Pijijiapan, Mexico.

Melvin Marquez from Honduras, relaxes after having a bath in a river in Pijijiapan, Mexico.

Central American migrants traveling with a caravan to the U.S. make their way to Pijijiapan, Mexico.

Central American migrants rest for the night in Pijijiapan, Chiapas state, Mexico, as their caravan slowly makes its way toward the U.S. border.

Central American migrants walking to the U.S. start their day departing Ciudad Hidalgo, Mexico.

Hondruans bath at a river in Huixtla, Mexico, during their journey to the U.S.

A Honduran migrant woman taking part in a caravan heading to the U.S., has an ultrasound done to check her pregnancy during a stop in their journey at the Central Park in Huixtla, Mexico.

Honduran migrants taking part in a caravan heading to the U.Ss, rest at a makeshift camp during a stop in Huixtla, Mexico.

A Central American migrant traveling with a caravan to the U.S. plays basketball on a temporary shelter in Huixtla, Mexico

Honduran migrants aboard a truck on their way to Tapachula, Mexico, as they head toward the U.S. border.

Honduran migrants in a caravan to the U.S. border on their way to Tapachula, Mexico, in a truck.

Aerial view of Honduran migrants aboard a truck as they take part in the caravan on the outskirts of Tapachula, Mexico.

A Honduran migrant family taking part in a caravan heading to the U.S. border rest on their arrival in Huixtla, Mexico.

Aerial view of Honduran migrants in Tapachula, Mexico, as they walk toward the U.S. border.

Honduran migrants rest on their arrival in Huixtla, Mexico, as they take part in a caravan heading to the U.S. border.

A Central American migrant, who fell from the back of a moving vehicle and died, lies on a highway outside of Tapachula, Mexico.

Central American migrants traveling in a caravan to the U.S. border rest in a central park in Huixtla, Mexico.

A Mexican federal police officer speaks with Honduran migrants heading in a caravan to the U.S. on the road linking Ciudad Hidalgo and Tapachula, Mexico.

Honduran migrants on a makeshift raft cross the Suchiate River, on the Guatemala-Mexico border, in Ciudad Hidalgo.

A Honduran migrant in a caravan toward the U.S. waits to cross the border from Ciudad Tecun Uman, Guatemala, to Ciudad Hidalgo, Mexico.

Honduran migrants taking part in a caravan heading to the U.S. rest at the main square in Tapachula, Chiapas state, Mexico.

An aerial view of migrants in a caravan headed toward the U.S. on the road linking Ciudad Hidalgo and Tapachula, Chiapas state, Mexico.

A group of Honduran migrants arrives to the Mexican side of the border after crossing the Suchiate River aboard a raft made out of tractor inner tubes and wooden planks, on the the border with Guatemala, in Ciudad Hidalgo, Mexico.

Thousands of migrants from Honduras who forced their way through Guatemala’s northwestern border flooded onto a bridge leading to Mexico and waited in the hope of continuing their journey to the United States.

Honduran migrants taking part in a caravan heading to the United States board makeshift rafts to cross the Suchiate River, natural border between Guatemala and Mexico, in Ciudad Tecun Uman, Guatemala.

Members of the migrant caravan from Honduras rest on a bridge over the Suchiate River which forms the Guatemala-Mexico border in Ciudad Tecun Uman, Guatemala.

Honduran migrants taking part in a caravan heading to the United States cross the Suchiate River, natural border between Guatemala and Mexico, in a makeshift raft, in Ciudad Tecun Uman, Guatemala.

A Honduran migrant traveling as part of a caravan prepares to jump into the Suchiate River from the Guatemala-Mexico international border bridge, near a Mexican Federal Police officer, in Ciudad Hidalgo, Chiapas state, Mexico.

Honduran migrants heading in a caravan toward the United States wait to help fellow men get down to the Suchiate River from the Guatemala-Mexico international border bridge, in Ciudad Hidalgo, Chiapas state, Mexico.

Honduran migrants heading in a caravan toward the United States rest at a temporary shelter in Ciudad Hidalgo, Chiapas state, Mexico.

Hundreds of demonstrators with a Honduran flag protest in favor of the caravan of migrants who are currently stuck on the Guatemala-Mexico border, in front of the American embassy, in Tegucigalpa, Honduras.