When we take students overseas for a 10-day trip, we usually ask them to pack light enough that they do not need a check bag. Our trips are not vacations, and we will often be hauling our bags to different sites while we are there. As a result students have to carry everything they bring, all while navigating trains, taxis, rickshaws, or the occasional canoe. Packing light is essential. The following is a video tutorial from Pack Hacker, a YouTube channel dedicated to packing tips. It provides some good advice and visuals on packing in one bag for extended travel.  And you can follow that video with this video from Pack Hacker with additional tips for packing efficiently.