Intensive Winter Birding Trip in South Korea (7 day) Seoul - Han Estuary - Cheorwon - Cheonsu Bay - Geum river - Han River Upstream - SeoulBirding site : Rice field, Mudflat, Wetland & Forest (DMZ area included) How far from Seoul : 30~250kmHow to bird : driving & walking Main Target : Tundra Bean Goose, Swan Goose, Falcated Teal, Baikal Teal, Scaly-sided Merganser, Smew, Oriental Stork, Saund..