After Poland became part of EU, we are able to travel for work to the UK. It is legal, the salary is nice, we are able to spare some cash for later. But even if you are not laboring there, you are still can to visit, because there are plenty of not expensive flights from Krakow to London for instance. When you have never been there, you should totally go, cause this giant metropolis is one of the most popular destination places in entire Europe. You just must to know how to find nice offers, and go for a road.