<p>View of a barbed-wire fence separating part of the ghetto in Krakow from the rest of the city. Krakow, Poland, date uncertain.</p>
<p>During the <a href="/narrative/72/en">Holocaust</a>, the creation of <a href="/narrative/286/en">ghettos</a> was a key step in the Nazi process of brutally separating, persecuting, and ultimately destroying Europe's Jews. Ghettos were often enclosed districts that isolated Jews from the non-Jewish population and from other Jewish communities.</p>