A view of the Sagrada Familia Basilica, designed by architect Antoni Gaudi, in Barcelona, Spain, Wednesday, October 21, 2015. Barcelona's breathtaking La Sagrada Familia Basilica has begun its final phase of raising six immense towers. Presenting the project Thursday, chief architect Jordi Fauli said the central "Tower of Jesus Christ," the tallest of the six, will rise 172.5 meters (566 feet) high, making it "the tallest religious building in Europe". (Photo by Manu Fernandez/AP Photo)





Visitors of the Sagrada Familia Basilica, designed by architect Antoni Gaudi, in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Visitors of the Sagrada Familia Basilica, designed by architect Antoni Gaudi, in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Chief architect Jordi Fauli speaks during a news conference explaining the progress of the work at the Basilica Sagrada Familia in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Chief architect Jordi Fauli speaks during a news conference explaining the progress of the work in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Chief architect Jordi Fauli, centre, speaks during a news conference explaining the progress of the work at the Basilica Sagrada Familia in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Chief architect Jordi Fauli speaks during a news conference explaining the progress of the work at the Basilica Sagrada Familia in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





A detail of the Sagrada Familia Basilica, designed by architect Antoni Gaudi, in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Visitors of the Sagrada Familia Basilica, designed by architect Antoni Gaudi, in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





A model of the Sagrada Familia Basilica designed by architect Antoni Gaudi is displayed at the Sagrada Familia Basilica in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)





Visitors of the Sagrada Familia Basilica, designed by architect Antoni Gaudi, in Barcelona, Spain, Wednesday, October 21, 2015. (Photo by Manu Fernandez/AP Photo)