Digital drawing. By Kina Matahari. Belonging to the Crypto_CubanConcreteArt collection, homage to 10 concrete Cuban painters of the 1950s (Loló Soldevilla, Sandú Darié, Pedro de Oraá, Pedro Carmelo Álvarez López, Wifredo Arcay Ochandarena, Salvador Zacarías Corratgé Ferrera, Luis Darío Martínez Pedro, José María Mijares, Rafael Soriano López and José Angel Rosabal Fajardo).