Picasso's has become an international symbol of protest against war.

From a purely technical point of view, Guernica is a mural-sized oil painting produced by the Spanish painter Pablo Picasso in 1937. But that is just the material aspect of this masterpiece, and upon closer inspection, we discover an elaborate reflection of Spain during that time and, furthermore, of Europe during the troubled interwar period. Find out more about one of Picasso’s most powerful paintings of all times.

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A water molecule consists of two atoms of hydrogen linked by covalent bonds to the same atom of oxygen. Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.

Explanation: