In this computer generated image released by Bi-Oceanico Corridor, a miniature model of a train for the proposed Aconcagua Bi-Oceanico Corridor is seen on a bridge in the Andes mountains. Two of South... more 
In this computer generated image released by Bi-Oceanico Corridor, a miniature model of a train for the proposed Aconcagua Bi-Oceanico Corridor is seen on a bridge in the Andes mountains. Two of South America's leading economies are neighbors but might as well be worlds apart, separated by a mountain wall with only one major land crossing that gets snowed in for up to two months every winter. An ambitious effort to build a private railway under Andean peaks aims to end the bottleneck. (AP Photo/Bi-Oceanico Corridor) less 
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Associated Press | Photo By Bi-Oceanico Corridor
Fri, Oct 5, 2012 2:20 PM EDT