First of all ,the security is the most important.Wherever you go ,you should ensure you are in the safe place at any times.And ,when you get there ,please be friendly to the local man.and respect their customs and habits.Meanwhile,you should always keep touch with you family or friends when you settle down,because they'll be worried .Finally,you also can keep a diary during your travels if you have enough time .Because the note can instand of your brain to keep your memory forever after you end up your journey.
Hope you have a happy holiday!
Yours sincerely,
Wang Lin