Four-man bicycle is powered by five chains and has brakes on both its wheels, The bike was built by Art Rothschild (top position) who broke three ribs while learning how to ride it. (Photo by Wallace Kirkland/Time & Life Pictures)
Artist Alicia Martin's tornado of books shoot out a window like a burst of water from a giant hose. The Spain-based artist's sculptural installation at Casa de America, Madrid depicts a cavalcade of books streaming out of the side of a building
BOOK: Where Children Sleep - James Mollison's book of photographs of children from around the world and their bedrooms. Mollison hopes his photographs will encourage children to think about inequality.