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The last miner to be rescued, Luis Urzua, center, gestures as Chile's President Sebastian Pinera, right, looks on after his rescue. (AP Photo/Alex Ibanez, Chilean Presidential Press Office)
Maria Segovia, right, sister of freed miner Dario Segovia, embraces an unidentified person as relatives and friends of the freed 33 miners celebrate the end of the successful rescue operation. (AP Photo/Natacha Pisarenko)
In this screen grab taken from video, Manuel Gonzelez, the last of six rescue workers who talked the 33 trapped miners through the final hours, takes a bow inside the San Jose Mine near Copiapo, Chile. (AP Photo)
The capsule carrying the last rescued miner, Luis Urzua, emerges at the San Jose mine near Copiapo, Chile, Wednesday Oct. 13, 2010. (AP Photo/Roberto Candia)
People celebrate the end of the successful rescue operation that freed 33 trapped miners from the San Jose mine in Copiapo, Chile, Wednesday Oct. 13, 2010. (AP Photo/Martin Mejia)
In this photo released by the Chilean government, miner Franklin Lobo, right, embraces his daughter Carolina after he was rescued from the collapsed San Jose gold and copper mine. (AP Photo/Chilean government, Gabriel Ortega)
French newspapers headlining on the rescue of Chilean miners, Thursday Oct. 14, 2010. (AP Photo/Remy de la Mauviniere)
Rescued miner Ariel Ticona Yanez waves to the press as he arrives to the hospital in Copiapo, Chile, Thursday Oct. 14, 2010. (AP Photo/Dario Lopez-Mills)
In this photo released by the Chilean government, miner Esteban Rojas, 44, gets on his knees to pray after being rescued from the collapsed San Jose gold and copper mine. (AP Photo/Hugo Infante, Chilean government)
Rescued miner Carlos Barrios, 24, arrives at the hospital in Copiapo, Chile, Wednesday, Oct. 13, 2010. (AP Photo/Dario Lopez-Mills)
This screen grab taken from video shows the cable pulling the pod containing one of the miners being rescued from the San Jose Mine near Copiapo, Chile Wednesday, Oct. 13, 2010. (AP Photo/APTN)
In this photo released by the Chilean government, miner Omar Reygadas, 56, gestures on his knees after being rescued from the collapsed San Jose gold and copper mine. (AP Photo/Hugo Infante, Chilean government)
In this photo released by the Government of Chile, miner Daniel Herrera Campos embraces his mother after being rescued from the collapsed San Jose gold and copper mine. (AP Photo/Hugo Infante, Government of Chile)
Bolivia's President Evo Morales looks on as rescued miner Jorge Galleguillos, not seen, arrives in a capsule at the San Jose Mine near Copiapo, Chile Wednesday, Oct. 13, 2010. (AP Photo/Jorge Saenz)
In this photo released by the Chilean government, Edison Pena gestures as he is carried on a stretcher after being rescued at the San Jose mine. (AP Photo/Hugo Infante, Chilean government)
A passerby takes a newspaper headlining the rescue of trapped miners in Chile in London, Wednesday, Oct. 13, 2010. (AP Photo/Lennart Preiss)
Relatives and friends of miner Carlos Barrios react while watching on a TV screen the rescue operation at the camp outside the San Jose mine near Copiapo, Chile, Wednesday, Oct. 13, 2010. (AP Photo/Natacha Pisarenko)
Rescued miner Claudio Yañez, 34, gestures as he arrives to the hospital of Copiapo, Chile, Wednesday, Oct. 13, 2010. (AP Photo/Dario Lopez-Mills)
Chile's President Sebastian Pinera, left, and his Bolivian counterpart Evo Morales, right, visit Bolivian miner Carlos Mamani Solis. (AP Photo/Alex Ibanez, Chilean Presidential Press Office)
In this photo released by the Chilean government, Bolivian miner Carlos Mamani Solis is rolled away on a stretcher after being rescued from the collapsed San Jose gold and copper mine. (AP Photo/Hugo Infante, Chilean government)
In this photo released by the Chilean government, Jorge Galleguillos, the eleventh miner rescued from the collapsed San Jose gold and copper mine, waves to the crowd. (AP Photo/Hugo Infante, Chilean government)
In this screen grab taken from video, miner Edison Pena waves after being rescued from the collapsed San Jose gold and copper mine where he had been trapped. (AP Photo)
In this screen grab taken from video, Bolivian President Evo Morales, third from left, embraces Jorge Galeguillos, the eleventh miner to be rescued from the San Jose Mine near Copiapo, Chile on Wednesday, Oct. 13, 2010. (AP Photo)
Loreto Campbell, relative of rescued miner Jorge Galleguillos, reacts while watching on a TV screen his rescue operation outside the San Jose mine near Copiapo, Chile, Wednesday Oct. 13, 2010. (AP Photo/Natacha Pisarenko)
In this photo released by the Chilean government, miner Mario Gomez gestures on his knees after being rescued from the collapsed San Jose gold and copper mine where he had been trapped. (AP Photo/Hugo Infante, Chilean government)
In this screen grab taken from video, Alex Vega, the tenth miner to be rescued, is greeted by relatives after his rescue Wednesday, Oct. 13, 2010 at San Jose Mine near Copiapo, Chile. (AP Photo)
Rescued miner Juan Illanes arrives at the hospital of Copiapo, Chile, Wednesday, Oct. 13, 2010. Illanes was the third of 33 miners from the San Jose mine who was rescued. (AP Photo/Dario Lopez-Mills)
In this screen grab taken from video, Mario Gomez, the ninth miner to be rescued, celebrates shortly after his rescue Wednesday, Oct. 13, 2010 at San Jose Mine near Copiapo, Chile. (AP Photo)
A woman gestures while watching on TV rescue operations at the San Jose mine to free 33 trapped miners in Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Dario Lopez-Mills)
In this photo released by the Chilean government, miner Jose Ojeda, left, is helped to exit a capsule during his rescue from the collapsed San Jose gold and copper mine. (AP Photo/Hugo Infante, Chilean government)
In this photo released by the Chilean government, a life systems monitor linked to a high-tech chest harness shows the vital signs of rescued miner Osman Araya. (AP Photo/Hugo Infante, Chilean government)
Roxana Gomez, left, daughter of miner Mario Gomez, is comforted by Maria Segovia, sister of trapped miner Dario Segovia, as they watch on TV Gomez's rescue from the collapsed San Jose mine. (AP Photo/Natacha Pisarenko)
Chilean President Sebastian Pinera, in red jacket next to the capsule, and other officials and rescue workers greet as rescue worker Manuel Gonzalez Paves is lowered in the capsule into the mine where miners are trapped to begin the rescue…
In this photo released by the Chilean presidential press office, rescued miner Mario Sepulveda, center, takes rocks out of a bag that he brought from the collapsed San Jose gold and copper mine, after his rescue and under the look of …
In this photo released by the Chilean presidential press office, Chile's President Sebastian Pinera, center right in red jacket, waves to rescue worker Manuel Gonzalez Paves as he is lowered into the mine in the capsule to begin the rescue…
Maria Segovia, sister of trapped miner Dario Segovia, center left, embraces US drill operator Jeff Hart, operator of the T-130 drilling machine that reached 33 trapped miners, as the drill leaves the San Jose mine near Copiapo, Chile, …
In this screen grab taken from video, Florencio Avalos, the first miner to be rescued, left, is embraced by Chilean President Sebastian Pinera after his rescue Tuesday, Oct. 12, 2010 at San Jose Mine near Copiapo, Chile.
Relatives and friends of trapped miners celebrate while watching on a TV screen the rescue operation of Florencio Avalos at the camp outside the San Jose mine near Copiapo, Chile, late Tuesday Oct. 12, 2010. Thirty-three miners became …
In this screen grab taken from video, Florencio Avalos, the first miner to be rescued, center, is greeted after his rescue Tuesday, Oct. 12, 2010 at San Jose Mine near Copiapo, Chile.
In this screen grab taken from video, miner Florencio Avalos stands inside the capsule before beginning his journey up the escape shaft to the outside world, Tuesday, Oct. 12, 2010 at San Jose Mine near Copiapo, Chile.
Rescue workers watch as a colleague is inside a capsule during a dry run test for the eventual rescue of the 33 miners trapped at the San Jose mine near Copiapo, Chile, Monday, Oct. 11, 2010. (AP Photo/Government of Chile, Hugo Infante)
A view of the San Jose mine where drilling machines are working to rescue 33 trapped miners in Copiapo, Chile, Wednesday, Oct. 6, 2010. (AP Photo/Natacha Pisarenko)
Workers operate Plan B drill, the second option conceived to rescue the 33 miners trapped at the San Jose mine in Copiapo, Chile, Sunday, Sept. 26, 2010. (AP Photo/Aliosha Marquez)
Chile's President Sebastian Pinera, back right, holds Esperanza Ticona in his arms, while speaking through a video conference with the trapped miners. (AP Photo/Alex Ibanez, Chile's Presidential Press Office)
Workers operate a drill in the rescue effort for 33 miners trapped in the collapsed San Jose mine in Copiapo, Chile, Thursday, Sept. 16, 2010. (AP Photo/Aliosha Marquez)
A nurse holds the first baby of trapped miner Ariel Tiscona and his wife, Elizabeth Segovia, at the Copiapo Clinic, Copiapo, about 43 miles, from the San Jose mine, Chile, Tuesday, Sept. 14, 2010. (AP Photo/Aliosha Marquez)
Men work on a new drill to be used in the rescue operation of 33 trapped miners at the San Jose mine in Copiapo, Chile, Monday, Aug. 30, 2010. (AP Photo/Felix Alonso)
Ercilia Carrizo Munoz shows a picture of her son Esteban Rojas Carrizo, one of the 33 miners trapped at the San Jose mine, in Copiapo, Chile, Wednesday, Aug. 25, 2010. (AP Photo/Natacha Pisarenko)
Drill work on the San Jose collapsed mine where 33 miners are trapped in Copiapo, Chile, Monday, Aug. 23, 2010. (AP Photo/Roberto Candia)
Chile's President Sebastian Pinera holds up a plastic bag containing a message from miners trapped in a collapsed mine, that reads in Spanish "We are ok in the refuge, the 33 miners" in Copiapo, Chile. (AP Photo/Hector Retamal)