Brazil's ability to provide a safe environment during the 2016 Summer Olympic Games has been questioned since Rio de Janeiro was announced as the host.
Will the water be clean enough for athletes to swim in and tourists to drink? Does the country have the infrastructure necessary to host so many people? Will it be safe? And what about Zika virus?
Political unrest in recent months made many worry even more as the country faced its worst economic crisis in decades amid deep government corruption.
Brazilian President Dilma Rousseff, the country's first female president, was ousted by the Senate Thursday and replaced by vice president Michel Temer.