If you want an easy and meaningful day trip from Pyeongtaek, Suwon is one of the best choices. The moment your train rolls into Suwon Station, the giant 18th-century Hwaseong Fortress wall rises above the city, circling the heart of town. Today’s plan is simple and flexible: walk part of the fortress wall, explore Hwaseong Haenggung by day and again at night, and end with sizzling fried chicken on Suwon’s famous “Chicken Street.” Walk the Fortress Wall (Hwaseong Fortress) You can start your walk anywhere. Look for a nearby stairway…