article_snippet.sent: Ground zero – site of 9/11 in New York .
article_snippet.sent: Auschwitz – concentration camp, Poland .
article_snippet.sent: Alcatraz – prison, San Francisco .
article_snippet.sent: New Orleans – Site of Hurricane Katrina disaster, USA .
article_snippet.sent: New Orleans – Site of Hurricane Katrina disaster, USA .
article_snippet.sent: Giglio, Pompeii – Italy – scene of Hurricane Katrina disaster .
article_snippet.sent: Haiti – site of devastating earthquake .
article_snippet.sent: Auschwitz after Auschwitz liberation  in January 1945.  