https://www.pinkbike.com/news/riva-del-garda-will-host-the-2018-imba-italia-trail-building-school.html
Potrebbe anche interessarti
http://www.mtbcult.it/storie/imba-italia-tutti-a-scuola-di-trail-building/
http://www.svsport.it/2018/02/21/leggi-notizia/argomenti/ciclismo-mtb/articolo/la-international-mountain-bicycling-association-sbarca-a-finale-per-un-workshop-3.html
http://www.imba-europe.org/events/trail-building-school-val-di-sole
http://www.4actionsport.it/mtb/2016/01/05/40288/