One neighborhood of New York County is contiguous with the mainland. Marble Hill at one time was part of Manhattan Island, but the Harlem River Ship Canal, dug in 1895 to improve navigation on the Harlem River, separated it from the remainder of Manhattan as an island between the Bronx and the remainder of Manhattan.
For other uses, see Avant-garde (disambiguation). The Love of Zero, a 1927 film by Robert Florey. The avant-garde (from French, advance guard or vanguard, literally fore-guard) are people or works that are experimental, radical, or unorthodox, with respect to art, culture, and society.
Kurt Schwitters was a German multi-media artist who was particularly influential in the development of the Dada and Constructivist movements. By the 1920s, Schwitters was heavily involved in the international avant-garde, touring the world with artists like Hans Arp and Tristan Tzara.