It depends on the route, but I saw this done on many flights from mainland China to Europe, on several airlines. (And considering the amount of carry-on lugga

It depends on the route, but I saw this done on many flights from mainland China to Europe, on several airlines. (And considering the amount of carry-on luggage that people routinely bring in Chinese domestic flights, this is not surprising; there's a limit to what the overhead lockers can take, not to mention that pathetic slot where your feet should be.)