Plate 1: Carlo Ottaviano Casana; Plate 2: © Marka/SuperStock; Plate 3: Jacob Maentz/www.jacobimages.com; Plate 4: Olivier Blaise; Plate 5: Brian M. Wood; Plate 6: Romas Vysniauskas; Plate 7: Henrik Stabell; Plate 8: Bonnie Hewlett; Plate 9: © 2012 Jeff Schultz/AlaskaStock.com; Plate 10: Kim Hill; Plate 11: Toninho Muricy; Plate 12: © Art Wolfe/www.artwolfe.com; Plate 13: Photograph by Michael Clark Rockefeller. Courtesy of the Peabody Museum of Archaeology and Ethnology, Harvard University, 2006.12.178.10.; Plate 14: James Tourtellotte, U.S. Customs & Border Patrol; Plate 15: © Eye Ubiquitous/SuperStock; Plate 16: J. Miles Cary, Knoxville News Sentinel; Plate 17: Afonso Santos; Plate 18: Photo by Carole A. Kosakowski; Plate 19: Russell D. Greaves and Karen Kramer; Plate 20: Bonnie Hewlett; Plate 21: Brian M. Wood; Plate 22: Karen Kramer; Plate 23: Sun xinming/ImagineChina; Plate 24: Sheryl Dawson/Spot-On Marketing, courtesy of Starfish Resources, LLC.; Plate 25: Sisse Brimberg/National Geographic Stock; Plate 26: Bruno Zanzottera/Parallelozero; Plate 27: PunchStock; Plate 28: Stadtgeschichtliches Museum Leipzig; Plate 29: Courtesy of the Phoebe A. Hearst Museum of Anthropology and the Regents of the University of California. (Catalogue No. 15-5910.); Plate 30: Photo by Michael Leahy, from First Contact by Bob Connolly and Robin Anderson (Viking, New York, 1987) courtesy of the estate of Mrs. Jeannette Leahy; Plate 31: Photo by Michael Leahy, from First Contact by Bob Connolly and Robin Anderson (Viking, New York, 1987) courtesy of the estate of Mrs. Jeannette Leahy; Plate 32: Peter Hallinan; Plate 33: Blend Images/PunchStock; Plate 34: REUTERS/Yuri Maltsev; Plate 35: AP Photo/George Nikitin; Plate 36: Photograph by Karl G. Heider. Courtesy of the Peabody Museum of Archaeology and Ethnology, Harvard University. 2006.17.1.89.2; Plate 37: Taken by Masami Oki. “Material provided by Hidetsugu Aihara,” donated by Peace Museum of Saitama. Courtesy of Hiroshima Peace Memorial Museum; Plate 38: Russel D. Greaves and Karen Kramer; Plate 39: Phil Ramey, Ramey Pix; Plate 40: © SuperStock; Plate 41: The Harvard Theatre Collection, Harvard University; Plate 42: USAID; Plate 43: Dr. James Garza; Plate 44: REUTERS/Kyodo News Agency; Plate 45: © Sarah M. J. Welch/The Harvard Crimson; Plate 46: Robert R. Leahey, State Archives of Florida, Florida memory, http://floridamemory.com/items/show/109768; Plate 47: AP Photo/Don Adams.