A curtain of glowing white nylon that winds across the brown earth until it disappears where the land meets the blue sky - this is what images of Running Fence, Sonoma and Marin Counties, California, 1972-76, an installation artwork created by Christo and Jeanne-Claude depict. Running Fence, stretched 24 1/2 miles through Sonoma and Marin counties in California to end in the Pacific Ocean, was the...