It's growing in a wood cachepot with pinus and stone. All bifoliate growing better in a piece of wood, with much water and light. To bloom the cattleya needs much light.
(Did you understand? I don't know to write in English very well...)
"Pinus" is pine (tree) ... In fact, use the bark of pine mixed with stone (crushed). Offend the pine bark should be boiled to remove the tannin, which is detrimental to the orchid.