SF Gate: S.F.'s Jay Nelson builds tree houses as works of art

After he was diagnosed with cancer at age 14, he was homeschooled by his mother and spent hours drawing, painting and doing ceramics. After completing a bachelor's in fine arts at California College of the Arts he left for Hawaii to build his first tree house, using hand tools and material found on the beaches and forests. When he came back to San Francisco to do a show of his paintings at Needles & Pens store, he made another tree house using recycled urban stuff and lived there for a month.

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