Want to learn more about using the Seoul Subway which goes south past Pyeongtaek all the way to Asan? Here are a few simple videos to get you started. This top is best learned visually for sure. 1: How to Use the Subway If you aren’t familiar with using the Seoul Subway System, here is a great video tutorial from YouTube.  The subway system is very easy to use and if you use the app mentioned below, it’s almost foolproof… almost. The first few times can feel overwhelming but stick…