Chile Mine Collapse

In this photo released by the Chilean government, miner Carlos Barrios waves to the crowd while emerging from the capsule that brought him to the surface from the collapsed San Jose gold and copper mine near Copiapo, Chile, Wednesday, Oct. 13, 2010. Barrios is the thirteenth of 33 miners who was rescued after more than 2 months trapped underground. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, relatives of miner Claudio Yanez cheer as he is rescued from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

Chile's President Sebastian Pinera, right, hugs rescued miner Mario Sepulveda (credit: AP Photo/Jose Manuel de la Maza, Chilean presidential press office)

In this photo released by the Chilean presidential press office, Chile's President Sebastian Pinera, right, hugs rescued miner Mario Sepulveda after Sepulveda was rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Jose Manuel de la Maza, Chilean presidential press office)

Chile Mine Collapse

In this photo released by the Chilean presidential press office, miner Juan Illanes, left, celebrates after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. Chile's President Sebastian Pinera stands at right. (AP Photo/Jose Manuel de la Maza, Chilean presidential press office)

Chile Mine Collapse

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 where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Jimmy Sanchez is helped out of the capsule as he is rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Juan Illanes, right, shakes hands with Andres Sougarret, chief of rescue operations, after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

** ALTERNATIVE CROP OF XLAT176 ** In this photo released by the Chilean government, miner Mario Gomez gestures after exiting the capsule that brought him to the surface during his rescue from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Osman Araya, right, greets a relative moments after being rescued from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, Edison Pena speaks to a paramedic as he is carried on a stretcher after being rescued at the San Jose mine, near Copiapo, Chile, Wednesday, Oct. 13, 2010. Pena was the twelfth of 33 miners rescued from the San Jose mine after more than 2 months trapped underground. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

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 of 33 trapped miners at the San Jose Mine near Copiapo, Chile, Tuesday Oct. 12, 2010. The first of 33 trapped miners is expected to be lifted to the surface late Tuesday after surviving more than two months below ground. (AP Photo/Alex Ibanez, Chilean presidential press office)

Chile Mine Collapse

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 at the San Jose gold and copper mine where Araya had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Jose Ojeda holds a Chilean flag as he exits the capsule during his rescue from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Florencio Avalos

In this photo released by the Chilean government, miner Florencio Avalos, second left, hugs a relative after he was rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean presidential press office, Bolivian miner Carlos Mamani Solis, center, waves to the crowd as Chile's President Sebastian Pinera, second right, looks on, after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Jose Manuel de la Maza, Chilean Presidential Press Office)

Chile Mine Collapse

In this photo released by the Chilean government, miner Mario Sepulveda, right, is hugged by an unidentified relative after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean presidential press office, Chile's President Sebastian Pinera, right, Mining Minister Laurence Golborne, second right, watches as rescued miner Florencio Avalos, left, hugs relatives after Avalos was rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Jose Manuel de la Maza, Chilean presidential press office)

APTOPIX Chile Mine Collapse

In this photo released by the Chilean government, miner Claudio Yanez applauds as he is carried away in a stretcher after being rescued from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Sebastian Pinera, Manuel Gonzalez

In this photo released by the Chilean presidential press office, Chile's President Sebastian Pinera, left, shakes hands with rescuer Manuel Gonzalez before he's lowered into the mine where miners are trapped to begin their rescue at the San Jose mine, near Copiapo, Chile, Tuesday, Oct. 12, 2010. (AP Photo/Alex Ibanez, Chilean presidential press office)

Chile Mine Collapse

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 with 32 other miners for over two months near Copiapo, Chile, Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Alex Vega waves after being rescued from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

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, near Copiapo, Chile, Wednesday, Oct. 13, 2010. Pena was the twelfth of 33 miners rescued from the San Jose mine after more than 2 months trapped underground. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean presidential press office, Chile's President Sebastian Pinera, front right, hugs rescued miner Florencio Avalos after Avalos was rescued from the the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, Tuesday Oct. 12, 2010. (AP Photo/Jose Manuel de la Maza, Chilean presidential press office)

Chile Mine Collapse

In this photo released by the Chilean presidential press office, a relative miner Mario Sepulveda walks toward the capsule containing Sepulveda after he reached the surface at the San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. Chile's President Sebastian Pinera is fourth from right. (AP Photo/Jose Manuel de la Maza, Chilean presidential press office)

Chile Mine Collapse

In this photo released by the Chilean presidential press office, miner Juan Illanes is lifted in a capsule to the surface as he is rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Jose Manuel de la Maza, Chilean Presidential Press Office)

Chile Mine Collapse

In this photo released by the Chilean government, miner Alex Vega, left, hugs his wife after being rescued from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

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 after been trapped with 32 other miners for over two months near Copiapo, Chile, Wednesday, Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Juan Illanes is carried away on a stretcher after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Mario Sepulveda, is carried away on a stretcher after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday, Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Osman Araya is rescued from the collapsed San Jose gold and copper mine where he had been trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

In this photo released by the Chilean government, miner Florencio Avalos is carried away on a stretcher after being rescued from the collapsed San Jose gold and copper mine where he was trapped with 32 other miners for over two months near Copiapo, Chile, early Wednesday Oct. 13, 2010. (AP Photo/Hugo Infante, Chilean government)

Chile Mine Collapse

Roxana Gomez, daughter of rescued miner Mario Gomez, cries as she watches on a TV screen the rescue operation of her father at the relatives camp outside the San Jose mine near Copiapo, Chile, Wednesday, Oct. 13, 2010. Gomez was the ninth of 33 miners who was rescued from the San Jose mine after more than 2 months trapped underground. (AP Photo/Natacha Pisarenko)

Chile Mine Collapse

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. Barrios was the thirteenth of 33 miners who was rescued from the collapsed gold and copper mine after more than 2 months trapped underground. (AP Photo/Natacha Pisarenko)