Agrega una trama en tu idiomaDocumentary about early 20th-century photographer Lewis Hine, who helped to expose grim working conditions in American factories and mines, especially the abuse and exploitation of children ... Leer todoDocumentary about early 20th-century photographer Lewis Hine, who helped to expose grim working conditions in American factories and mines, especially the abuse and exploitation of children by their employers. Later, he became the official photographer for the construction of the... Leer todoDocumentary about early 20th-century photographer Lewis Hine, who helped to expose grim working conditions in American factories and mines, especially the abuse and exploitation of children by their employers. Later, he became the official photographer for the construction of the Empire State Building.