By Alexander Sokolovsky

These are pictures made by the Czech photographer Josef Koudelka.

He walked and filmed Prague's streets until his film stock ran out. Despite the fact that the soldiers shot at everyone with cameras and many photographers were killed or wounded. And Joseph boldly filmed right in front of the tanks!

Josef's works, made in those days (he took about five thousand photos in a week), were secretly taken out of the country and printed without indicating the name of the author in order to protect the photographer and his family from persecution.

Koudelka's pictures were first published in Times Magazine under the initials P.P. (Prague Photographer), and a little later, they were distributed worldwide…