Discarded life jackets line the rocky shores of Lesbos, Greece on September 10, 2015. The remnants of inflatable boats also litter the beach. Migrants are advised to slash their rafts when they arrive so that authorities can't push them back to sea. ANGELOS TZORTZINIS/AFP/AFP/Getty Images
A refugee sleeps near the port of Mytilini on September 9, 2015 in Lesbos. He's one of thousands of migrants who have landed on the island's shores, after boarding inflatable boats from Turkey. Eric Thayer/Getty Images Europe/Getty Images
Long queues form as refugees wait to receive food in a park near the port of Mytilini, Lesbos. Many arrive wet, hungry and tired after paying huge amounts of money to risk their lives on small, crowded boats. Eric Thayer/Getty Images Europe/Getty Images
Local relief agencies work to feed the migrants before they make their onward journey. The U.N. says approximately 50 boats of migrants land on Lesbos each day, depositing from 1,500 to 3,000 new immigrants. Eric Thayer/Getty Images Europe/Getty Images
Traffickers charge each migrant $1,350 to board inflatable boats from Turkey. Often they're overcrowded, and many take on water along the way. This boat arrived on September 9. ANGELOS TZORTZINIS/AFP/AFP/Getty Images
Many of the migrants have cell phones, loaded with the phone numbers of Greek rescue authorities so they can come to their aid. Facebook pages also give migrants advice on what to do when they arrive. ANGELOS TZORTZINIS/AFP/AFP/Getty Images
A woman cries after arriving on the island of Lesbos, after crossing the Aegean Sea from Turkey on a dinghy on September 10. ANGELOS TZORTZINIS/AFP/AFP/Getty Images
Migrants buy tents to make their journey more comfortable. A Facebook page for refugees even tells them what sort to buy and where. Here, a migrant looks out to sea. ANGELOS TZORTZINIS/AFP/AFP/Getty Images