The artistic evolution uf Pietrogoes through several necessitously stages in order to end with the art believe reintroduced  in the Transavanguardia .This is pure painting that takes power in the italia art market the american and europeans models triend to abolish all the traditional expressive instrument in favour of techinic and materials utilized by mondial economy. Also in Italy is strngly felt by a group of artist that Pietro frequently attended and founded with other artist Guppo Laborinto 1978. In one side there is a very strong  painting request in order the curiosity the innovation desire ,the willing to know new philosophy and new modalities to continue to develop arts in order to comply with moderm times.