The Pope called for a "re-evangelization" of Spain, which has produced some of the most influential Catholics of history, such as Jesuit founder Ignatius Loyola.
In Sunday's Mass the pontiff praised the Sagrada Familia, which when completed will have 18 soaring towers representing important figures of Christianity as well as intricate sculptures detailing Jesus's life. The name of the church means Holy Family in English. Before Sunday the church, which will eventually be able to seat more than 10,000 people, had never been used as such.
Architect Gaudi died in 1926 and construction has slowly continued ever since, funded only by visitor admission fees and donations. Now that it has been blessed by the Pope, regular Mass will be celebrated in the building.
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