Here are a few of Andy Goldsworthy's sculptures made of leaves and held together with thorns and twigs:
Andy Goldsworthy only uses the natural materials he finds-- stones, ice, branches, leaves, etc. Most are temporary sculptures that disappear into their environment. The photographs become the lasting artworks.
The titles reveal his process, and read as little list poems, like this one, pictured above: Poppy petals wrapped around splintered wood held with water, Andy Goldsworthy