The New York Times talk about South Korea, Drinks Are on the Maple Tree

http://www.nytimes.com/2009/03/06/world/asia/06maple.html?ref=dining

HADONG, South Korea — At this time of year, when frogs begin stirring from their winter sleep and woodpeckers drill for newly active insects, villagers climb the hills around here to collect a treasured elixir: sap from the maple tree known as gorosoe.