Pay attention to 1)the weather/temperature, 2)what kind of clothes you should dress due to the weather, 3)the transportation, 4)whether you have enough money and where you can find a bank/ATM, 5)if the people can't speak English, how can you express your opinion and ask proper questions. 6)if you are in trouble, how will.you cope with it. Of course you had better avoid being in a trouble. 7) how to book tickets for the cars, trains etc.