Amadeo de Souza-Cardoso - Metallic Vibrations

Metallic Vibrations (Mechanical Geometric Splendour) by Amadeo de Souza-Cardoso, 1915. 

Belonging to the first generation of Portuguese modernist painters, Amadeo de Souza-Cardoso stands out among all of them for the exceptional quality of his work and for the dialogue he established with the historical avant-gardes of the early 20th century.