Odpowiedź:
what do you must know when you will be in Poland
First. You must be kind also you must smile often. Smileing people are welcome in Poland. You should watch out what do you say, don't be unpolite to someone! You can learn some basic words like "dzień dobry" or "do widzenia"
Szczerze? miałem mały problem jakie maniery musza miec ale mam nadzieje ze pomoglem :D