ABOARD THE PAPAL FLIGHT FROM MEXICO - As the plane carrying him back to Rome from Mexico was flying over Texas, Pope Francis insisted building walls to keep immigrants out of one's country is un-Christian.

ABOARD THE PAPAL FLIGHT FROM MEXICO - With physicians across Central and South American urging women to postpone pregnancy because of the Zika virus that causes birth defects, Pope Francis said using contraceptives could be a "lesser evil."

CIUDAD JUAREZ, Mexico - At the border of Mexico and the United States, Pope Francis blessed a large cross in memory of all the people who have crossed the frontier.

CIUDAD JUAREZ, Mexico - God will hold humanity responsible for enslaving the poor and treating people as less important than profits, Pope Francis told Mexican workers and business leaders.

MORELIA, Mexico - The devil loves Christians -- especially priests and nuns -- who are resigned to the violence and corruption around them, Pope Francis said.

SAN CRISTOBAL DE LAS CASAS, Mexico - Paying homage to the culture and ancient wisdom of Mexico's indigenous peoples, Pope Francis urged them to hold on to hope and condemned those who exploit their people and their land.

ECATEPEC, Mexico - Pope Francis began his travels to Mexico's "peripheries" by visiting an overcrowded, sprawling settlement known internationally as a hunting ground for girls to force into prostitution and for boys to enlist in the drug trade.

MEXICO CITY - Pope Francis told Mexico's president and government officials that the country's future can be bright only if government and business leaders put an end to a culture of "favors" for the influential and scraps for the poor.

ABOARD THE PAPAL FLIGHT FROM HAVANA - Though their differences are recognizable and real, Pope Francis and Russian Orthodox Patriarch Kirill of Moscow emphasized their obligation as Christians and as bishops to encourage collaboration among Christians and charity for all who suffer.

HAVANA - At long last, Pope Francis and Russian Orthodox Patriarch Kirill of Moscow embraced, kissing each other three times.