Turkey : Don't Show OK gesture because it's very offensive.
Japan :Don't leave tip.
Ireland : Don't try to imitate Irish accent.
France : Don't talk or ask about Money.
USA :Don't forget to leave the tip.
UK : Don't ask how much people earn.
Norway :Don't ask about going to church.
Germany : Don't congratulate on birthday before the day.
China : Don't give clock or Umbrella as a present.
