When foreigners eat with Japanese, They don’t start to eat without saying certain words. They must say “Itadakimasu” before start to eat and “Gochisosama ” after finish to eat. And they have to put their hands together, saying these words. This act is Japanese culture and has a meaning of giving thanks for the food and the people who made it and grew ingredients. Most Japanese think that this culture is very important. If foreigners visit Japan, I recommend them to keep this knowledge in mind.