With a 4th day on Jeju-do — it’s a Korea Slow Trip after all! — we visited picturesque Udo for a theraputic afternoon of unwinding on its pristine beaches and zooming around in an electric three wheeler. If this picture of seagulls in the ocean breeze evokes your image of an island paradise, that’s just the start of the ferry ride when my wife snapped this on her cellphone. It was that relaxing. If Jeju is Korea’s default honeymoon destination, Udo would be the newlyweds’ default romantic hideout with its translucent turquoise waters, sleepy villages and an abundance of lonely lighthouses for that perfect couple’s selfie. This is one place in Jeju where foreigners won’t outnumber the Koreans — it’s where the Jeju natives themselves hang out on weekends. A gorgeous ferry ride with the UNESCO World Heritage landmark of Seongsan Ilchulbong in full view; a curvy coastal loop perfect for a slow cruise in a two-seat scooter; perhaps a steaming bowl of haemul ramyeo...