COVER—Getty Images/Danny Lehman; 1—R. Bénali, Inrap; 2—HIP / Art Resource, NY, National Park Service, © Emmanuelle Collado, Inrap, © Courtesy Museum of London Archaeology; 4—Courtesy AECOM, Digging I-95; 9—Courtesy University of Manchester School of Computer Science; 10—Courtesy C.P. Burton, Courtesy Alain Vandal, Pointe-à-Callière, Courtesy Caroline Bergeron; 12—National Park Service, Adobestock, Courtesy University of Nottingham: Nottingham Geospatial Institute; 14—© The Trustees of the British Museum/ Art Resource, NY (3); 16—SIA/EFAK/ YPPOA, ImagineChina 17—© Courtesy Museum of London Archaeology; 18— HIP / Art Resource, NY, Courtesy Mark Leone; 19—© The Trustees of the British Museum, © The Trustees of the British Museum. Photo by RN-DS partnership; 20—© Hervé Paitier, Inrap, © Emmanuelle Collado, Inrap, © Bastien Simier, Inrap, © Emmanuelle Collado, Inrap; 22—Courtesy Norwegian Institute for Cultural Heritage Research, Courtesy Nikita Konstantinov;…