“Christo: Works in Progress” takes us around the world on a showcase of the artist’s grand environmental installations. With both critique and praise from members of the communities that have hosted Christo and his works, the film takes a deep look into the process and outcome of pieces such as Wrapped Coast, Running Fence, and Wrapped Walkways. While discussing his inspirations and motives, Christo states, “The work of art is not the fabric, steel poles and cable, the work of art is the hills a...