Francis Alÿs - Sometimes Making Something Leads to Nothing, 1997 (HD & full version) 

In 'Sometimes Making Something Leads to Nothing', 1997, Francis Alÿs pushed a block of ice through the streets of Mexico City until it completely melted. After nice hours the block was reduced to no more than an ice cube suitable for a whisky on the rocks, so small that he could casually kick it along the street.
Credit: www.francisalys.com
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