[1]Department of Science Education;
Cultural Heritage and Tourism;
Macerata University;
Macerata;
Italy;
[2]Chinese Academy of Science and Technology for Development (CASTED);
Beijing;
P. R.;
[1]Department of Science Education;
Cultural Heritage and Tourism;
Macerata University;
Macerata;
Italy;
[1]Department of Science Education;
Cultural Heritage and Tourism;
Macerata University;
Macerata;
Italy;
educating city; lifelong education; extra-scholastic spaces; social integration; metropolis form;