A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation (melting and sublimation) over many years, often centuries. Glaciers slowly deform and flow due to stresses induced by their weight, creating crevasses, seracs, and other distinguishing features. They also abrade rock and debris from their substrate to create landforms such as cirques and moraines. Glaciers form only on land and are distinct from the much thinner sea ice and lake ice that form on the surface of bodies of water.
Art is used as a form of expression. Greek artists included the ideas of reason, moderation, balance, and harmony, because it was what they believed in. The Greeks often glorified the idea of being useful, peaceful, and living in simplicity, which would explain why their art work was influenced by it.
Value The lightness or darkness of tones or colors. White is the lightest value; black is the darkest. The value halfway between these extremes is called middle gray. Space An element of art by which positive and negative areas are defined or a sense of depth achieved in a work of art .
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The Mihrab of the Great Mosque, Cordoba Spain, built during the reign of al-Hakam II. A mihrab is used to identify the wall, that faces Mecca in a mosque.
The mihrab of the Great Mosque is elegantly decorated with small pieces of glasses, reflecting the colors of dark blue, and brown. The use of yellow and gold color in the calligraphic along with plant motifs in decorating the arch.
Conceptual art is the artistic movement that began between 1966 and 1972.
<span>Amongst its most famous artists at its early stage were artists such as Joseph Kosuth, Robert Morris, Joseph Beuys, Adrian Piper. </span>
Conceptual artist produce works and writings that completely rejected standard ideas of art. According to them all art is essentially conceptual. Conceptual artists <span>reduce the material presence of the work to an absolute minimum - a tendency why some critics explain conceptual art as and attack of the economic of art and as the "dematerialization" of art.</span>
