“For me, garden design isn’t just about plants, it is about emotion, atmosphere, a sense of contemplation. You try to move people with what you do. You look at this, and it goes deeper than what you see. It reminds you of something in the genes — nature, or the longing for nature.” 　　– Piet Oudolf 　　After completing a feature documentary on New York’s High Line, award-winning filmm...