https://www.mtbcult.it/118700/trail-building-school-2018/
Potrebbe anche interessarti
http://www.redbull.com/it/it/bike/stories/1331849431364/mtb-guida-pratica-ode-al-trail-building
http://news.cycling.it/news_d.asp?out_param=cyclingit/news/13/3/2015/Primo%20corso%20di%20trail%20building%20ad%20aprile&id=11849
25/02/2015 – MTB MAG – http://www.mtb-mag.com/imba-italia-corso-di-trailbuilding/
Aperte le iscrizioni al 5° Trail Building School