Air hostesses practise sign language in this file photo undated. Chinese air hostesses get ready for more hearing-challenged passengers during the upcoming Paralympic Games. [Xinhua]
![Air hostesses practise sign language in this file photo undated. Chinese air hostesses get ready for more hearing-challenged passengers during the upcoming Paralympic Games. [Xinhua]](http://images.china.cn/attachement/jpg/site1007/20080902/000802c98ccc0a2712ac11.jpg "Air hostesses practise sign language in this file photo undated. Chinese air hostesses get ready for more hearing-challenged passengers during the upcoming Paralympic Games. [Xinhua]")