World whistlers make sweet music
Competitors young and old pucker up for international whistling championship.

Published On 9 Apr 2011
Whistling is easy: “You just put your lips together and blow,” Lauren Bacall told Humphrey Bogart in the 1940s film “To Have and Have Not”.
But for some people whistling is a much more serious business.
John Terrett reports from Louisburg, in the US state of North Carolina, on the 38th International Whistlers Convention.
Source: Al Jazeera