(Olympics) Mogul skiing siblings have each other's backs for Winter Games

By Joo Kyung-don

PYEONGCHANG, South Korea, Feb. 3 (Yonhap) -- South Korea will have four mogul skiers at the PyeongChang Winter Olympics, and some people might wonder why it's a team of Seos.

Among the four, three of the skiers share the same last n