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Spanish artist Pablo Picasso (1881—1973) is one of the greatest artists of the 20th century. It is said that everything his brush touched turned gold. But in truth, the value of his works could be worth more than any precious metal. Picasso created more than 20,000 works in his life, including two of the world's 10 most expensive paintings.
Between 1907 and 1913, Picasso and his colleague (同事) Georges Braque started a revolution (革命) in painting. Before that, paintings were like windows—they were painted to look as if they had depth. You could tell which objects were "close" to you and which objects were "far away". But Picasso and Braque didn't want to paint like that any more. To them, a painting wasn't a window to the world; it was marks and lines on a flat surface. Why ,they thought, should an object like a guitar be shown only from one angle (角度)? A guitar can look very different depending on which angle one looks at it from. Their answer was to show all the angles. They broke the guitar up into pieces. Their style of painting is called cubism(立体主义).
But why did they feel such a need to change things? Well, the world around them was changing, too. Science was turning people's ideas upside down. Albert Einstein's theory was proving that what we knew about time and space was wrong. And new political movements like the socialistic movement were on the rise. The world was becoming different; artists needed to start seeing and painting it differently.
The famous and terrifying painting Guernica (1937) shows the horror of the bombing (轰炸) of the town of Guernica during the Spanish Civil War. In the painting, you can actually see the sky falling. Picasso couldn't have painted it without the skills he learned during his cubist period. Breaking a guitar into pieces was his preparation for showing the world being blown to pieces.