<n>Luzes Relacionais</n> by artist <n>Ernesto Klar</n>.

Artist <n>Alexander Calder</n> reviews the installation of his mobile, <n>.125</n>, at Idlewild Airport in New York, 1957.

<n>La Gerbe</n> (1953), a paper cut-out by <n>Henri Matisse</n>.

<n>Vertical Foliage</n>, a 1941 hanging mobile by <n>Alexander Calder</n>. Photo by <n>Herbert Matter</n>.

<n>Vincent van Gogh</n>'s <n>Patch of grass</n> (1887). X-ray analysis revealed a portrait hidden underneath.

<n>Covered Alley in Atrani</n>, a 1931 woodcut by artist <n>Maurits Cornelis Escher</n>.

THE OTHER SIDE OF ART | M.C Escher (Dutch, 1898–1972) | Facebook