Visitors walk among the ballast's water tanks of the Airbus A380 during a visit inside the test aircraft used for demonstration flight at the 49th Paris Air Show at Le Bourget airport, east of Paris, ... more 
Visitors walk among the ballast's water tanks of the Airbus A380 during a visit inside the test aircraft used for demonstration flight at the 49th Paris Air Show at Le Bourget airport, east of Paris, Saturday June 25, 2011. (AP Photo/Francois Mori) less 
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Associated Press | Photo By Francois Mori
Sat, Jun 25, 2011 5:57 AM EDT