Lapatilla
This general view shows the Sanlitun District during a sandstorm in Beijing on April 15, 2015. Beijing’s meteorological observatory issued a yellow sandstorm warning for the Chinese capital. Sandstorms are an annual occurrence in arid northern China in the spring, when temperatures start to rise, stirring up clouds of dust that can travel across China to South Korea and Japan, and even to the United States. AFP PHOTO / FRED DUFOUR