People walk amid candles lit at Praca do Comercio at Lison Dec 17, 2011. Fifty thousand candles were lit in Praca do Comercio, Lisbon's downtown square, as part of an attempt by non-governmental organizationTerra dos Sonhos (Land of Dreams) to achieve a Guinness World Record. The candles were sold at 1 euro each ($1.30) to raise funds for realizing the dreams of children suffering from long and terminal illnesses. [Photo/Agencies]