Warsaw is a unique and charming city. So rich of history and yet so new, so modern, so original, and so very different from many other cities in Eastern Europe that one might have seen. I was there for a 3 days conference at the end of November. On our last day, we had the chance to take a tour with a local guide named Greg from www.warsaw4u.com. We had only few hours, but our guide made a fantastic job in showing us