Potrebbe anche interessarti
http://www.mtb-mag.com/un-successo-il-primo-corso-imba-di-trailbuilding/
http://www.imba-europe.org/events/trail-building-school-val-di-sole
http://www.4actionsport.it/mtb/2016/02/01/2-trail-building-school-imba-italia-a-torino-il-1617-aprile/
http://www.solobike.it/sbk/news/-Trail-Building-School-IMBA-Italia%26%238232%3B-22-23-Aprile,-Val-Sole