Graca Machel, the widow of former South African President Nelson Mandela, pays her respects at his coffin as he lies in state at the Union Buildings in Pretoria in this December 11, 2013 file photo. ... more 
Graca Machel, the widow of former South African President Nelson Mandela, pays her respects at his coffin as he lies in state at the Union Buildings in Pretoria in this December 11, 2013 file photo. REUTERS/Marco Longari/Pool/Files (SOUTH AFRICA - Tags: POLITICS OBITUARY) ATTENTION EDITORS: PICTURE 12 OF 20 FOR PACKAGE "FROM THE FILES: TEN DAYS OF MOURNING'' TO FIND ALL IMAGES SEARCH 'MANDELA MOURNING' less 
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Reuters | Photo By POOL / REUTERS
Sun, Dec 15, 2013 4:10 AM EST