Amongst other things, Ai WeiWei is also known for Duchamp inspired conceptual art pieces made by altering readymade objects. Example is his ‘Forever Bicycles’, a work that consist of more than 1,000 ‘readymade’ bicycles. In general, Weiwei’s Readymades are different from Duchamp’s. Duchamp readymade objects, such as ‘Fountain’, lacked cultural gravitas until placed in an art context. Instead, Ai’s chosen readymades already have significance. Working in this manner, Ai transforms precious artifacts—treating them as base and valueless by painting, dropping, grinding, or slapping with a logo—into contemporary fine art. The substitution of one kind of value for another occurs. Read more here.