AugustĀ  17, 2012 - Alpamarca, Peru - Amazon Express team member JEFF WUESTE of Austin, Texas, sleeps off altitude sickness on the shore of Lago Acucocha while expedition members scouted for the dry ... more 
August  17, 2012 - Alpamarca, Peru - Amazon Express team member JEFF WUESTE of Austin, Texas, sleeps off altitude sickness on the shore of Lago Acucocha while expedition members scouted for the dry season source of the Amazon River. Team member JOHN MAIKA, also from Austin rests in the background. (Credit Image: © Erich Schlegel/zReportage via ZUMA) less 
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Yahoo News | Photo By Erich Schlegel/zReportage via ZUMA
Fri, Jul 26, 2013 1:00 PM EDT