+ :
1) You can develop your scope of knowledge in other unique culture
2) It will help you to learn foreign language. Moreover, you have an opportunity to communicate to nativespeakers
3) It will help you change the atmosphere,relax,reliveve stress and forget about the troubles of everyday life
-:
1) It is always dangerous to move in other countries
2) If you do not know foreign language, it will be difficult to communcate with nativer population