A traveler may suffer from gastroenteritis or diarrhea resulting from: hot weather , air conditioning , difference in local hygiene standards from developed countries . To avoid diarrhea and stomach pains , it is recommended to drink mineral water and not to eat fresh vegetable or fruits outside major hotels . However , in case you desire to taste some , it is recommended that you wash them first with mineral water .
Public Toilets:
Toilets are rarely available outside the tourist sites , thus , such a matter is to be taken into consideration . In case you get unclean , it is advisable not to use public toilets and bring towels or handkerchiefs .
Remember , it is a nice manner to tip with about one pound for using the water closet .
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