Brazil's former President and current presidential candidate Luiz Inacio Lula da Silva casts his vote at a polling station in Sao Paulo, Brazil, Oct. 2, 2022. (Photo by Rahel Patrasso/Xinhua)

Brazilian President Jair Bolsonaro casts his vote at a polling station in Rio de Janeiro, Brazil, Oct. 2, 2022. (Xinhua/Wang Tiancong)

A man casts his vote at a polling station in Rio de Janeiro, Brazil, Oct. 2, 2022. (Xinhua/Wang Tiancong)

A woman casts her vote at a polling station in Rio de Janeiro, Brazil, Oct. 2, 2022. (Xinhua/Wang Tiancong)