They and the nicely dressed young women are carrying scriptures.
Many of them can be seen studying. Others talk quietly or play hacky-sack in a courtyard.
At dinnertime, the Wednesday night menu is pizza, and the soda fountain is busy.
These young people are Mormon missionaries at the Centro do Treinamento Missionario de Sao Paulo -- the Sao Paulo Missionary Training Center, or CTM -- and the scene would likely be similar to the Missionary Training Center in Provo.
But there are some differences.
The busy street on which the Sao Paulo center is located is full of small businesses and shops -- many painted in bright colors.