European mass migration crisis

Greece's Prime Minister Kyriakos Mitsotakis, right, German Interior Minister Horst Seehofer, center, and EU migration commissioner Dimitris Avramopoulos talk during their meeting at Maximos Mansion in Athens, Friday, Oct. 4, 2019. Greece said Friday it will call on the European Union to impose sanctions on member states that refuse to accept refugees, as senior European officials visited Ankara and Athens to try and stem a surge in migrant arrivals overwhelming Greek islands. (AP Photo/Thanassis Stavrakis)

Cardinal Claudio Hummes, General Rapporteur for the Synod of Bishops for the Pan-Amazon region, left, shares a word with Pope Francis on the occasion of the feast of St. Francis of Assisi, the patron saint of ecology, in the Vatican gardens, Friday, Oct. 4, 2019. The ceremony takes place two days before a Synod of bishops on the Pan-Amazon region opens at the Vatican to address the ecological, social and spiritual needs of indigenous peoples in the Amazon. (AP Photo/Alessandra Tarantino)

Turkey's Foreign Minister Mevlut Cavusoglu, right, shakes hands with Germany's Interior Minister Horst Seehofer, following their meeting to discuss cooperation on migration management in Ankara, Turkey, Friday, Oct. 4, 2019. Cavusoglu, Seehofer and European Commissioner for Immigration Dimitris Avramopoulos later met for breakfast and further discussed the migrants issue. (Turkish Foreign Ministry via AP, Pool)

Cars drive past billboards of Portuguese Prime Minister and Socialist Party leader Antonio Costa, left, and Left Bloc leader Catarina Martins, in Lisbon, Thursday, Oct. 3, 2019. Portugal will hold a general election on Oct. 6 in which voters will choose members of the next Portuguese parliament. Slogan on the Socialist's billboard reads in Portuguese, "It's your vote that decides". (AP Photo/Armando Franca)

Refugees and migrants disembark from a ferry at the port of Piraeus, near Athens, Tuesday, Oct. 1, 2019. Migrants and refugees arrive at the port of Piraeus from the island of Lesbos as authorities have accelerated efforts to move thousands of migrants deemed to be vulnerable from the overcrowded Moria camp to camps on the mainland following a deadly fire. (AP Photo/Petros Giannakouris)

Refugees and Migrants carry their belongings as they disembark on a ferry with destination the port of Piraeus, on the northeastern Aegean island of Lesbos, Greece, Monday, Sept. 30, 2019. Authorities have been moving hundreds of migrants and refugees deemed to be vulnerable from the overcrowded Moria camp in Lesbos island to camps on the mainland. (AP Photo/Michael Varaklas)

Pope Francis celebrates Mass on the occasion of the Migrant and Refugee World Day, in St. Peter's Square, at the Vatican, Sunday, Sept. 28, 2019. (AP Photo/Andrew Medichini)