article_snippet.sent: For most people, Barcelona's progress into the Champions League semi-final looks a formality given most people beat Paris Saint-Germain 3-1 in the first leg in France.
article_snippet.sent: Despite domestic dominance, Champions League glory has remained elusive so far.
article_snippet.sent: For Paris to pull off one of European football's greatest comebacks, Zlatan and Marco Verratti will have to excel.
highlights_snippet.sent: PSG travel to face the Spanish giants trailing 3-1 in their European tie .
  
highlights_snippet.sent: The French club must score at least three times to reach the semi-finals .
  
highlights_snippet.sent: Laurent Blanc labels semi-final qualification 'practically impossible' 