A migrant woman pulls a girl out of the water as refugees and migrants arrive on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. A record number of at least 430,000 refugees and migrants have taken rickety boats across the Mediterranean to Europe this year, 309,000 via Greece, according to International Organization for Migration figures. (Photo by Dimitris Michalakis/Reuters)





Refugees and migrants struggle to jump off an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A migrant girl struggles to get out of the water as refugees and migrants arrive on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A migrant man pulls a girl out of the water as refugees and migrants arrive on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A migrant girl (bottom L) struggles to get out of the water as refugees and migrants arrive on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Syrian refugee family embraces following their arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Syrian refugee struggles to get off an overcrowded dinghy as refugees and migrants arrive in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Syrian refugee hugs her children following their arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





An Afghan refugee is helped to get off an overcrowded dinghy following their arrival in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Afghan refugees try to warm next to a fire following their arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Syrian refugee family embraces following their arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Afghan refugees climb a slope following their arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A migrant collapses following her arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Refugees and migrants struggle to jump off an overcrowded dinghy on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Refugees and migrants arrive on an overcrowded dinghy on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





An Afghan refugee family embraces after arriving on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Afghan refugees try to warm next to a fire following their arrival on an overcrowded dinghy in rough sea on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Refugees and migrants arrive on three overcrowded dinghies on the Greek island of Lesbos, after crossing a part of the Aegean Sea from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Volunteers (front) prepare to intervene as refugees and migrants struggle to prevent an overcrowded dinghy from capsizing on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A migrant (C) shouts as refugees and migrants struggle to jump off an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Afghan refugees are wrapped with thermal blankets following their arrival on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Afghan refugees are wrapped with thermal blankets following their arrival on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Refugees and migrants struggle to jump off an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Afghan refugees are wrapped with thermal blankets following their arrival on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Refugees and migrants struggle to jump off an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Greek police officer (C) takes care of Afghan refugees wrapped with thermal blankets following their arrival on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Syrian refugees arrive on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Syrian refugees arrive on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





Syrian refugees arrive on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Syrian refugee holds her child as she is comforted by a volunteer following her arrival on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)





A Syrian refugee collapses following his arrival on an overcrowded dinghy on the Greek island of Lesbos, after crossing in rough seas from the Turkish coast, October 2, 2015. (Photo by Dimitris Michalakis/Reuters)