The opportunity to rethink a personal experience of "round trip", which dates back several decades, was too tempting to avoid being caught. The author tells how, having arrived at the Museu de belas artes of Rio de Janeiro, she started interdisciplinary research on European urban models in Latin America and designed the inaugural exhibition of the Solar Grandjean de Montigny, the home of the architect member of the French artistic mission in 1816, thus becoming the Cultural center of the Pontifical universidade católica do Rio de Janeiro.