This undated handout image provided by the Library of Congress shows a scene from Cecil B. DeMille’s silent film "Male and Female". The Library of Congress has conducted the first comprehensive survey of American feature-length silent films and found 70 percent of them have been lost. Of the nearly 11,000 silent feature films made in America between 1912 and 1930, the survey found only 14 percent still exist in their original format. About 11 percent of the films that survive only exist as foreign versions or on lower-quality formats. (AP Photo/Library of Congress)WASHINGTON (AP) — The vast majority of characteristic-size silent films made in America were lost as a result of decay and overlook over the past 100 years, allowing an authentic 20th century art type to all but disappear, in line with a find out about launched Wednesday.