카타리나 비르니처 박사의 극한의 산악 자전거 타기 2부 중 2부

Dr. Katharina Wirnitzer, a scientist, athlete, author and vegan from Austria. She not only placed herself among the leaders of one of the world’s toughest mountain bike marathon race, the TransAlp Challenge 2004, but was also the first scientist to study excellence in mountain biking in connection with the vegan diet.