7 miles, 9 hours and 3 batteries and a servo later we made it across the Peak district...
<iframe width="560" height="315" src="https://www.youtube.com/embed/fWw_glrZ4rk" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>
<iframe width="560" height="315" src="https://www.youtube.com/embed/fWw_glrZ4rk" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>