Romeu Zema: It can't be a secret plan.
Romeu Zema: It's not secret, no.
Vilela, I always like to say that rare earths here in Brazil need to follow a path similar to the one Brazil followed and was very successful at, which is the case of niobium.
Romeu Zema: I don't know if you know the case of niobium.
Romeu Zema: Brazil's largest niobium mine is in the city of Araxá.