After his famous urinal (and before it, Bicycle Wheel, created in 1913! ), artists have notably used bottle caps (1), coffee (2), pollen (3), grease (4), sledges (4), cars (5), excrement (6), sunlight (7), earth (8), lightning (8), television (9), the human body (10), or animals (10), and countless other objects to create their works, all indebted to Duchamp!