After Poland became part of EU, we have chance to travel for work to the UK. It is legal, the paychecks are fine, we are able to save some cash for later. But even if you aren't laboring abroad, you are still can to visit, cause there are many of cheap flights from Krakow to London for instance. When you have never been there, you should totally go, cause this giant city is one of the most fashionable destination places in entire England. You just need to know how to find nice deals, and hit the road.