People hang national flags outside the door on National Day.

在国庆节那一天，人们把国旗挂在门外。

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Red is the color most commonly found in national flags.

红色是国旗最常见的颜色。

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Some birds have been incorporated onto national flags or emblems.

有些鸟还被作为国旗或国徽的组成部分。

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National flags across India will be flown at half-staff Friday to mourn the death of the chief minister of the key southern state of Andhra Pradesh.

VOA: standard.2009.09.03

"Going out there, getting on the podiumand then watching two American flags go up while the national anthem was playing, and then to turn and there was like - it seemed like two or three seconds, but it was probably two-10ths where Johnny and I made eye contact - it was like 'We did it,'" Shortly after winning his gold medal, the 29-year-old Demong surprised his girlfriend Katie Koczynski by proposing at the post-race celebration.

VOA: standard.2010.02.27

Locog says several thousand items will be sold, including javelins from the men's and women's contests and national flags from the opening ceremonies.

BBC: Olympic equipment and memorabilia put up for auction

He plumped for a bird connection as both countries feature one on their national flags - the UAE has a falcon.

CNN: Connecting Panama and the UAE

At a citizenship ceremony near Ottawa the royal couple presented national flags to 25 new Canadians who had come from 12 different countries.

BBC: Canada royal tour: Duke and duchess move on to Quebec