Giotto travelled around and did paintings in Rome, Naples and Bologna. He always took a group of students with him. Nowadays, many of the frescos that he painted in these cities have been destroyed by damp, by earthquakes, by war and by people demolishing the church to build a new one. Because Giotto was very famous, people always liked to believe that he painted the fresco in their church. Many frescos are probably by Giotto's students.