Ricardo Càstro researches the qualities, formal as much as mystic, of chromatic elements to carry out interventions that take under consideration the transformation of architectural, urban and social spaces. In general they are hybrid works, open to the public participation. His artistic actions were grouped in the term abravana, a neologism that echoes as a vocal key, full of vibration, intensifying the body/work relationship to enhance a dimension that corresponds to an infinite level of perceptions.