Brazil prepares for upcoming presidential elections

A staff member seals an electronic voting machine for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

Staff members prepare electronic voting machines for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

Staff members pack electronic voting machines for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

A staff member prepares electronic voting devices for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

Staff members seal electronic voting machines for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

A staff member prepares an electronic voting machine for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

Staff members prepare electronic voting machines for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

Staff members move sealed and packed electronic voting machines for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

A staff member tests an electronic voting machine for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)

A staff member packs an electronic voting machine for the upcoming presidential elections in Rio de Janeiro, Brazil, Sept. 21, 2022. The first round of Brazil's 2022 presidential elections will take place on Oct. 2, 2022. (Xinhua/Wang Tiancong)