In this Dec. 1, 2009 photo provided by Aurora Expeditions, an inflatable boat carries tourists past an iceberg along the Antarctic Peninsula. In a remote, frozen, almost pristine land where the only ... more 
In this Dec. 1, 2009 photo provided by Aurora Expeditions, an inflatable boat carries tourists past an iceberg along the Antarctic Peninsula. In a remote, frozen, almost pristine land where the only human residents are involved in research, tourism comes with risks, for both the continent and the tourists. (AP Photo/Aurora Expeditions, Andrew Halsall) EDITORIAL USE ONLY less 
1 / 10
Associated Press | Photo By Aurora Expeditions, Andrew Halsall
Sat, Mar 16, 2013 1:39 AM EDT