Photo credits (from left to right):

1) Ruth Sorel in "Salomé", 1933, photographer unknown, courtesy of National Digital Archives Poland (NAC); 2) Graduation party at HZT Berlin, © Thomas Plischke; 3) Archive box, © Britta Wirthmüller; 4) Montreal, © Britta Wirthmüller; 5) Ruth Sorel, 1937, photographer unknown; 6) Rio de Janeiro, © Britta Wirthmüller; 7) Chuva forte/Heavy rain, photographer unknown; 8) Highland Monarch, photographer unknown; 9) Arquivo Nacional in Rio de Janeiro, © Britta Wirthmüller; 10) Brake lights, © William Wheeler; 11) Chalet Mont Royal in Montreal, © Allison Peacock; 12) Shopping Mall "Cours Mont Royal" in Montreal, © Britta Wirthmüller; 13) Screenshot Google maps; 14) Sorel boots, photographer unknown; 15) Ruth Sorel in "Die Mutter", 1930s, photographer unknown, courtesy of National Digital Archives Poland (NAC); 16) 3½ inch Floppy disk at the Bibliotheque de Vincent Warren in Montreal; © Britta Wirthmüller; 17) Britta Wirthmüller in the courtyard of the Universidade Federal do Rio de Janeiro, © Bárbara Cabral