Photos of the day - December 12, 2014

Movers prepare to hang Leonardo da Vinci's "Earlier Mona Lisa" painting ahead of its exhibition at The Arts House in Singapore; a tear gas canister hits a policeman during clashes with students in front of the Lombardy Region Building, in Milan, Italy; and, Nobel Peace Laureates Tawakkul Karman of Yemen, Tibetan spiritual leader, the 14th Dalai Lama Tenzin Gyatso and Mairead Maguire of Northern Ireland, attend the 14th World Summit of Nobel Peace Laureates. These are just some of the photos of the day for December 12, 2014.

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