Pope Benedict XVI waves from the popemobile as he arrives at La Prairie to celebrate mass in Lourdes on September 14, 2008 in celebration of the 150th anniversary of when the Virgin Mary is said to have appeared to Bernadette Soubirous

The Pope in France

Benedict's first visit to France since his election has sparked debate on church-state relations in a country which prides itself in keeping faith and politics strictly separate.

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