(160830) -- BRASILIA, Aug. 30, 2016 (Xinhua) -- Former Brazilian President Luiz Inacio Lula da Silva attends a Senate impeachment trial of suspended Brazilian President Dilma Rousseff in Brasilia, Brazil, Aug. 29, 2016. Brazilian leader Dilma Rousseff, twice elected president as the candidate of a left-leaning alliance led by the Workers' Party (PT), will undergo one of the most critical moments of her political career. (Xinhua/Li Ming)
