The New York Public Library has published online a series of fascinating portraits of immigrants arriving in the United States in the 1900s. This incredible collection was created by Augustus Sherman, the chief registry clerk on Ellis Island, which was also an amateur photographer. Thanks to his status, he was able to capture these images of the daily life on Ellis Island, which was then the main entrance of immigrants for the United States, and which has welcomed millions of people. Between 1902 and 1914, the photographer has produced hundreds of photographs, capturing the immigrants still dressed in traditional costumes from their countries and theirs cultures. The complete collection is available on Flickr.