Flipping among imagery, topographic maps and reconnaissance scans, the editors tweaked the route to take tight turns the way a race driver would and to shy away from cliff edges.

• 路线编辑员必须快速浏览影像、地形图及勘察扫描结果，精确调整路线，让机器人像赛车选手那样精准过弯，并且避开悬崖边缘。