1. An active cold current from Mongolia could easily sweep the dry dust and sand to Inner Mongolia and north China.
2. A cold current from Inner Mongolia autonomous region swept dust above Beijing's northern and western suburbs early in the day before dissipating in the afternoon.
3. And the cold air current will cast its influence on South China starting today.
4. The current cold fronts affecting Xinjiang will begin moving east and southward Saturday, the National Meteorological Center forecasted.
5. The current climate raises specters of the Cold War and its doctrine of mutual assured destruction - a doctrine aptly known by its acronym " MAD ".