Traveling and shopping go together like Prada and Bulgari, so we’ve picked out some of the hottest places to shop around the world. Even if your budget is tight, these places are great for window-shopping and people-watching.Shopping MeccasMilan, ItalyBuenos Aires, ArgentinaLos AngelesParisChicagoSydneyTokyoZurichFlorence, ItalyHong KongCopenhagenRome, ItalyNew YorkLondon