Potrebbe anche interessarti
https://www.visittrentino.it/it/guida/eventi/trail-building-school-val-di-sole_e_998255
31/08/2014 – Bicilive – Primo meeting IMBA Italia
https://www.pinkbike.com/news/riva-del-garda-will-host-the-2018-imba-italia-trail-building-school.html
http://www.valdisole.net/IT/Trail-Building-School/