What has two wheels and a 2 meter fan on an 8 meter lift? Our third riddle, all the way from Hanover, Germany: Don’t Miss TechTour LIVE – Register Today! Related: Agritechnica 2015: What Does This Machine Do? – Ep 2 TechTour: The Future is Now With the Greenbot Driverless Tractor Subscribe: Apple Podcasts… Read More