Kali Gandaki Burst

Down the Kali Gandaki gorge in Nepal, between two giant snow peaks, one on either side: under prayer flags and a swaying footbridge, past a yak and through a spin, to a trail village of stone houses and apple trees.

• Series: Canyons
• Length: 1.4 km
• 20 marbles a race, about a minute; every race is free