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 Birds do it, bees do it, even pollinating young plants do it. 
Series of photographs of pollen, on National Geographic
Above: Come flytrap, photograph by Martin Oegerlli

Rivers and Tides is splendid documentary accomplished in 2001 by Thomas Riedelsheimer on . British artist of land art, he works, nature (leaves, ice, pebbles, sand, etc.), and sculpt generally ephemeral writings. And terrifically poetic. The portrait is by the minimalist guitarist Fred Frith. (The first video uses a music of CocoRosie)