The "Estrada de Ferro Oeste de Minas" (West of Minas Railway) is
operated with steam locomotives running over the World's smallest
gauge: 76 cm (30")!
It looks like a toy!
You could to visit the Museum and make a trip from Tiradentes Station till
Sao Joao Del Rey City, Minas Gerais State, Brazl, as used to be a 100
years ago!