What worked, what didn't & what we'd do differently. We took our 7-month-old through Belgium, Luxembourg and Germany for about a week. Here's the short version of what made the trip easier—and what wasn't worth hauling across the Atlantic. THE QUICK TAKE AGE 7 months ROUTE Belgium → Luxembourg → Germany BEST DECISION Booking the bulkhead with an airplane bassinet MOST-USED BABY ITEM Infantino baby carrier BIGGEST MISTAKE Bringing our full-size stroller/travel system HARDEST P