Passengers rest as their flights have been canceled at Edinburgh Airport in Edinburgh, Scotland Tuesday, May 24, 2011. A dense ash cloud from an Icelandic volcano blew toward Scotland, causing ... more 
Passengers rest as their flights have been canceled at Edinburgh Airport in Edinburgh, Scotland Tuesday, May 24, 2011. A dense ash cloud from an Icelandic volcano blew toward Scotland, causing airlines to cancel Tuesday flights and raising fears of a repeat of last year's huge travel disruptions in Europe that stranded millions of passengers. less 
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Associated Press | Photo By Scott Heppell
Tue, May 24, 2011 2:08 AM EDT