Students and clergy from various African countries wave Cameroon's, left, and Benin's flags as Pope Benedict XVI, seen in window second from right, delivers his Angelus noon prayer in St. Peter's Square, at the Vatican, Sunday March 29, 2009. View Photo »
An African nun waves towards Pope Benedict XVI, seen at window, during his Angelus noon prayer in St. Peter's Square, at the Vatican, Sunday March 29, 2009. The pope returned Monday from a 6-day trip in Cameroon and Angola. View Photo »
Faithful from various African countries hold up a sign with writing reading "Condom is not the solution, Abstinence, Fidelity" during Pope Benedict XVI's Angelus noon prayer in St. Peter's Square, at the Vatican, Sunday March 29, 2009. View Photo »
Pope Benedict XVI delivers his blessing from his studio window during his Angelus noon prayer in St. Peter's Square at the Vatican, Sunday March 29, 2009. The pope returned Monday from a 6-day trip in Cameroon and Angola. View Photo »
Pope Benedict XVI walks up the stairs to his aircraft on his departure from Luanda International airport, Angola, Monday March 23, 2009. View Photo »
Pope Benedict XVI waves before his departure at Luanda International airport, Angola, Monday March 23, 2009. View Photo »
A man buys fruit at a local vendor in a poor area in the city of Luanda, Angola, Monday, March 23, 2009. View Photo »
A pregnant girl tries to stay on the high ground to avoid the flooded parts of the roadway in a poor area of the city Luanda, Angola, Monday, March 23, 2009. View Photo »
A child looks on after Pope Benedict XVI arrived at the airport before leaving the city of Luanda, Angola, Monday, March 23, 2009. Pope Benedict XVI is making one final appeal on his African pilgrimage, urging Angola's leaders to make the needs of the country's poor their prime concern. View Photo »
A dog looks up in a poor area in the city of Luanda , Angola, Monday, March 23, 2009. Pope Benedict XVI on Monday left Africa with a final impassioned plea to corrupt leaders to let the poor share in some of the proceeds of the continent's natural resources. View Photo »
Pope Benedict XVI walks up the stairs before his departure at Luanda International airport, Angola, Monday March 23, 2009. View Photo »
Pope Benedict XVI, flanked by Vatican Secretary of State Cardinal Tarciso Bertone, left, arrives to address journalists on the papal flight back from Luanda, Angola, after a seven-day visit to Cameroon and Angola, Monday, March 23, 2009. View Photo »
Pope Benedict XVI, followed by Vatican Secretary of State Cardinal Tarciso Bertone, with red skullcap at top left, gets off the plane at Rome's Ciampino airport upon their arrival from Luanda, Angola, after a seven-day visit to Cameroon and Angola, Monday, March 23, 2009. View Photo »
Pope Benedict XVI walks up the stairs as he leaves at Luanda International airport, Angola, Monday March 23, 2009. View Photo »
Anti-AIDS activists stand outside St Peter's square of The Vatican to protest against the position of the Vatican rejecting condoms as a weapon against AIDS on March 23, 2009 in Rome. Some 50 people protested while Pope Benedict XVI was returning from a trip in Cameroon and Angola. View Photo »
A girl has her hair done by friends in a poor area in the city of Luanda, Angola, Monday, March 23, 2009. Pope Benedict XVI on Monday left Africa with a final impassioned plea to corrupt leaders to let the poor share in some of the proceeds of the continent's natural resources. View Photo »
Anti-AIDS activits stand outside St Peter's square of The Vatican to protest against the position of the Vatican rejecting condoms as a weapon against AIDS on March 23, 2009 in Rome. Some 50 people protested while Pope Benedict XVI was returning from a trip in Cameroon and Angola. View Photo »
A woman sings after the arrival of Pope Benedict XVI at the airport before he leaves the city of Luanda , Angola, Monday, March 23, 2009. View Photo »
Pope Benedict XVI, in white at top of the steps, exits the plane followed by Vatican Secretary of State Cardinal Tarciso Bertone, with red skullcap, upon arrival in Rome's Ciampino airport back from Luanda, Angola, after a seven-day visit to Cameroon and Angola, Monday, March 23, 2009. View Photo »
A child stands outside his house in a poor area of the city of Luanda , Angola, Monday, March 23, 2009. Pope Benedict XVI on Monday left Africa with a final impassioned plea to corrupt leaders to let the poor share in some of the proceeds of the continent's natural resources. View Photo »