SIT267724 Columbian Exposition, 1893, c.1893-94 (colour litho) by Borgoni, Mario (1869-1936); Private Collection; (add.info.: used as a small promotional advert for the World\'s Columbian Exposition held in Chicago in 1893 and for Clark\'s Spool Cotton Thread, depicting the most important sites at the World\'s Fair; the Exposition celebrated the 400th anniversary of Christopher Columbus\' discovery of America; the chief planner was Daniel H. Burnham, the designer in chief was Charles B. Atwood and Frederick Law Olmstead coordinated the landscaping;); DaTo Images; Italian, out of copyright.