Surprise route now the world’s busiest. Most of us haven’t used our passport in almost a year. But there’s one international route that is busier than ever amid the global pandemic.https://www.news.com.au/travel/travel-advice/flights/surprise-route-now-the-busiest-flight-path-in-the-world/news-story/399096b32054fa100bbee89c824b6497.