Left Korea with no luggage! 🚀Hopped on the AREX Express Train for a fast & comfy ride to the airport! 💨✨Restrooms? ✅ Free Wi-Fi? ✅ Free water?! 🤯 Yes, please.Heading to Incheon Airport? Just take AREX! 🚆🔥 #AREX #railroad #TravelHack