A woman leans on the entrance to one of Bordighera’s gardens in Italy, 1928.Photograph by Hans Hildenbrand, National Geographic Creative

Hillside houses overlook smoke-belching steel mills in Pittsburgh, Pennsylvania, 1949. Photograph by John E. Fletcher and Anthony B. Stewart, National Geographic Creative

Women sit for a portrait in Salzburg, Austria, 1929. Photograph by Hans Hildenbrand, National Geographic Creative

Children play barefoot in a cactus garden on the Canary Islands, 1955. Photograph by Franc and Jean Shore, National Geographic Creative

Men climb the mast of a fishing boat to furl the sail in Port Said, Egypt, 1924. Photograph by Maynard Owen Williams, National Geographic Creative