Volunteers and local residents help refugees and migrants disembark from a small vessel after their arrival in Skala Sykaminias on the northeastern Greek island of Lesbos on Friday, October 30, 2015. #

A migrant woman is helped by volunteers after arriving by an overcrowded dinghy on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast to Lesbos on October 10, 2015. #

Migrants disembark from the Norwegian ship Siem Pilot as they are helped by a volunteer, center, at the Sicilian harbor of Catania, Italy, on August 17, 2015. The Siem Pilot pulled into the port of Catania on Monday carrying 49 migrant bodies believed to have suffocated in the water-logged hold of a fishing boat and some 416 migrants rescued at sea. #

Volunteers try to warm up a refugee on a beach after being rescued by Spanish lifeguards from a capsized dinghy on the northeastern Greek island of Lesbos on Friday, October 30, 2015. #

A volunteer helps Syrian refugee carry one of his two children off an overcrowded dinghy at a beach after crossing part of the Aegean Sea from Turkey to the Greek island of Lesbos on September 23, 2015. #

Refugees and volunteers carry a semi conscious man in Molyvos village after their boat capsized on the northeastern Greek island of Lesbos on Friday, October 30, 2015. #

A volunteer signals at a dinghy with Afghan migrants at a beach on the Greek island of Lesbos, after the vessel crossed part of the Aegean Sea from the Turkish coast on September 21, 2015. #

In this Saturday, November 7, 2015 photo, dentist Raid Ali, center right, and his colleague Aliyo Rashid Taylor, center left, treat migrants with toothache inside France’s biggest refugee camp near Calais, northern France. Improvised clinics have appeared from nowhere in the Calais’ migrant camp, where medical care for an estimated 6,000 people depends on volunteers from several countries. #

Turkish volunteers living in Berlin give away water bottles and snacks to migrants queuing at the compound outside the Berlin Office of Health and Social Affairs as they wait for their registration in Berlin, Germany, on September 21, 2015. #

A volunteer lifeguard, left, helps a refugee as a half-sunken catamaran carrying around 150 refugees, most of them Syrians, arrives after crossing part of the Aegean sea from Turkey on the Greek island of Lesbos on October 30, 2015. #

A volunteer carries a young boy onto the Greek island of Lesbos after a boat with refugees and migrants sank while crossing the Aegean Sea from Turkey, on Wednesday, October 28, 2015, causing multiple fatalities. The condition of the child is not known. #

A volunteer distributes food to migrant children in front of the Federal Office for Migration and Refugees at Berlin's Spandau district in Germany, on September 10, 2015. #

Volunteers sing with migrant children in front of the Berlin State Office for Health and Social Affairs where they wait with other migrants to apply for asylum in Berlin, on August 10, 2015. #

Volunteers sort donated clothes for arriving refugees in Dortmund, Germany, on Sunday, September 6, 2015, where thousands of migrants and refugees arrived by trains. #