Art Deco furniture is characterized by the use of metals, dark and exotic woods (rosewood, ebony, mahogany). It was popularized in the 1920s in Europe and in the 1930s in the United States. It not only influenced furniture, but fine art, jewelry, and cinema. It has its roots in architecture and Deco furniture captures the same lines and curves. In many pieces, the darker aspects of the grain of the wood are highlighted to give the piece a certain striking appearance. In North America, Art Deco furniture and architecture were symbols of strength and optimist during the end of the War and the Great Depression. An example of this symbolism for hope is the sunburst motif often found in the centrefold of tables.