A man lights candles where 21 revellers died at last year's Love Parade techno festival in Duisburg in this July 23, 2011 file photo. German prosecutors said February 11, 2014 that they will open ... more 
A man lights candles where 21 revellers died at last year's Love Parade techno festival in Duisburg in this July 23, 2011 file photo. German prosecutors said February 11, 2014 that they will open legal proceedings in the case were 21 have been killed in a stampede during the 2010 Duisburg Love Parade. REUTERS/Thomas Peter/Files (GERMANY - Tags: SOCIETY DISASTER) less 
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Reuters | Photo By THOMAS PETER / REUTERS
Tue, Feb 11, 2014 6:52 AM EST