Springtime in Korea brings pink cherry blossoms and yellow skies. They are actually brownish-yellow, and they are the result of sandstorms blowing in from the Gobi Desert.
When the dust clouds move close to the surface they can really lower the air quality, making it hard to breath. On the other hand, they do add nutrients to the Sea of Japan, much the way that dust blowing off the Sahara feeds the mid-Atlantic Ocean.
FoundOnWeb 