The clash between Chinese and Swedish table manners highlights how different cultures define politeness and intimacy. Dr. Martin Rundkvist of Aardvarchaeology is married to a Chinese immigrant to Sweden. Her life entails switching back and forth between being polite to those with whom you are familiar and reserving formal manners to those to whom you are not particularly close. This shows how much more there is to learn about a culture than just the language! Commenters at the post add their experiences in how other cultures would react. Link
Germany seems to have won the weird cultural customs competition.