Meet Liu Wenli, a Beijing policeman who is learning 15 languages to prepare for meeting foreign tourists during the Games.
For more Olympics coverage, and take part in the BBC's My Games programme go to bbc.com/Olympics and look for My Games.
My Games will be broadcast live on BBC World News. You can get involved by sending us your photos and videos and if you have a webcam you could even appear live on the programme. To participate, contact us at firstname.lastname@example.org
Your videos: Beijing Olympics